无法从文档中提取型号,请重试

图文电视集成电路:

475 个筛选结果
型号
晶体频率标称 (9)
-
-
制造商 (17)
-
-
-
-
封装代码 (8)
型号
型号 Most Relevant Technical Compliance Operating Conditions Physical Dimensions Other
数据手册 单价/库存
风险等级 是否Rohs认证
生命周期
封装代码 晶体频率标称 最大供电电压 (Vsup)
技术 其他特性 外部页面内存支持 功能数量 内部存储页数 语言数量 每帧的行数 最大压摆率
最小供电电压 (Vsup)
温度等级
视频输入处理器
商用集成电路类型 JESD-30 代码 认证状态
JESD-609代码 最高工作温度 最低工作温度 端子数量 封装主体材料 封装形状
封装形式
表面贴装
端子面层
端子形式
端子节距
端子位置
宽度
长度 座面最大高度
Source Content uid
mfrid
包装说明
是否符合REACH标准
HTS代码
YTEOL
SAA5232T
NXP Semiconductors
查询价格和库存
Active SOP 27 MHz 5.5 V YES 1 72 mA 4.5 V NO TELETEXT AND VPS/PDC DECODER R-PDSO-G24 Not Qualified 24 PLASTIC/EPOXY RECTANGULAR SMALL OUTLINE YES GULL WING 1.27 mm DUAL 7.5 mm 15.4 mm 2.65 mm SAA5232T 2245 SOP, unknown 8542.39.00.01 2
SAA5232T-T
NXP Semiconductors
查询价格和库存
Active SOP 27 MHz 5.5 V YES 1 72 mA 4.5 V NO TELETEXT AND VPS/PDC DECODER R-PDSO-G24 Not Qualified 24 PLASTIC/EPOXY RECTANGULAR SMALL OUTLINE YES GULL WING 1.27 mm DUAL 7.5 mm 15.4 mm 2.65 mm SAA5232T-T 2245 SOP, unknown 8542.39.00.01 2
SAA5280P/E
NXP Semiconductors
查询价格和库存
Active DIP 27 MHz 5.5 V YES 1 8 23 150 mA 4.5 V COMMERCIAL YES TELETEXT AND VPS/PDC DECODER R-PDIP-T48 Not Qualified 70 °C -20 °C 48 PLASTIC/EPOXY RECTANGULAR IN-LINE NO THROUGH-HOLE 2.54 mm DUAL 15.24 mm 62.1 mm 4.9 mm SAA5280P/E 2245 DIP, unknown 8542.39.00.01 2
SAA5280ZP/E
NXP Semiconductors
查询价格和库存
Active SDIP 27 MHz 5.5 V YES 1 8 23 150 mA 4.5 V COMMERCIAL YES TELETEXT AND VPS/PDC DECODER R-PDIP-T52 Not Qualified 70 °C -20 °C 52 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO THROUGH-HOLE 1.778 mm DUAL 15.24 mm 47.5 mm 5.08 mm SAA5280ZP/E 2245 SDIP, unknown 8542.39.00.01 2
VCT3811APP
TDK Corporation
查询价格和库存
Active SDIP TELETEXT DECODER R-PDIP-T64 Not Qualified 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3831AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3803AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3804AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3831APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3832APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3803APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3802AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3802APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3834AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3832AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3804APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3801APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3801AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3833APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3833AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
型号 Most Relevant Technical Compliance Operating Conditions Physical Dimensions Other
数据手册 单价/库存
风险等级 是否Rohs认证
生命周期
封装代码 晶体频率标称 最大供电电压 (Vsup)
技术 其他特性 外部页面内存支持 功能数量 内部存储页数 语言数量 每帧的行数 最大压摆率
最小供电电压 (Vsup)
温度等级
视频输入处理器
商用集成电路类型 JESD-30 代码 认证状态
JESD-609代码 最高工作温度 最低工作温度 端子数量 封装主体材料 封装形状
封装形式
表面贴装
端子面层
端子形式
端子节距
端子位置
宽度
长度 座面最大高度
Source Content uid
mfrid
包装说明
是否符合REACH标准
HTS代码
YTEOL
SAA5232T
NXP Semiconductors
查询价格和库存
Active SOP 27 MHz 5.5 V YES 1 72 mA 4.5 V NO TELETEXT AND VPS/PDC DECODER R-PDSO-G24 Not Qualified 24 PLASTIC/EPOXY RECTANGULAR SMALL OUTLINE YES GULL WING 1.27 mm DUAL 7.5 mm 15.4 mm 2.65 mm SAA5232T 2245 SOP, unknown 8542.39.00.01 2
SAA5232T-T
NXP Semiconductors
查询价格和库存
Active SOP 27 MHz 5.5 V YES 1 72 mA 4.5 V NO TELETEXT AND VPS/PDC DECODER R-PDSO-G24 Not Qualified 24 PLASTIC/EPOXY RECTANGULAR SMALL OUTLINE YES GULL WING 1.27 mm DUAL 7.5 mm 15.4 mm 2.65 mm SAA5232T-T 2245 SOP, unknown 8542.39.00.01 2
SAA5280P/E
NXP Semiconductors
查询价格和库存
Active DIP 27 MHz 5.5 V YES 1 8 23 150 mA 4.5 V COMMERCIAL YES TELETEXT AND VPS/PDC DECODER R-PDIP-T48 Not Qualified 70 °C -20 °C 48 PLASTIC/EPOXY RECTANGULAR IN-LINE NO THROUGH-HOLE 2.54 mm DUAL 15.24 mm 62.1 mm 4.9 mm SAA5280P/E 2245 DIP, unknown 8542.39.00.01 2
SAA5280ZP/E
NXP Semiconductors
查询价格和库存
Active SDIP 27 MHz 5.5 V YES 1 8 23 150 mA 4.5 V COMMERCIAL YES TELETEXT AND VPS/PDC DECODER R-PDIP-T52 Not Qualified 70 °C -20 °C 52 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO THROUGH-HOLE 1.778 mm DUAL 15.24 mm 47.5 mm 5.08 mm SAA5280ZP/E 2245 SDIP, unknown 8542.39.00.01 2
VCT3811APP
TDK Corporation
查询价格和库存
Active SDIP TELETEXT DECODER R-PDIP-T64 Not Qualified 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3831AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3803AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3804AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3831APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3832APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3803APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3802AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3802APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3834AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3832AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3804APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3801APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3801AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
VCT3833APP
TDK Corporation
查询价格和库存
Yes Active SDIP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY NO 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER R-PDIP-T64 Not Qualified e3 65 °C 64 PLASTIC/EPOXY RECTANGULAR IN-LINE, SHRINK PITCH NO MATTE TIN THROUGH-HOLE 1.778 mm DUAL 19.05 mm 57.7 mm 4.9 mm 2467 PLASTIC, SDIP-64 compliant 8542.39.00.01
VCT3833AQH
TDK Corporation
查询价格和库存
Yes Active QFP 20.25 MHz 5.25 V CMOS IT ALSO REQUIRES 3.15V TO 3.45V SUPPLY YES 1 10 24 525/625 4.75 V COMMERCIAL YES TELETEXT DECODER S-PQFP-G128 Not Qualified e3 65 °C 128 PLASTIC/EPOXY SQUARE FLATPACK YES MATTE TIN GULL WING 800 µm QUAD 28 mm 28 mm 4.1 mm 2467 PLASTIC, MQFP-128 compliant 8542.39.00.01
12345下一页
Add to list:
注册 or 登录