Decade Counter, Asynchronous, Up Direction, TTL, CDIP14,
| 参数名称 | 属性值 |
| 是否无铅 | 含铅 |
| 是否Rohs认证 | 不符合 |
| 厂商名称 | Fairchild |
| 包装说明 | DIP, DIP14,.3 |
| Reach Compliance Code | compliant |
| 计数方向 | UP |
| JESD-30 代码 | R-XDIP-T14 |
| JESD-609代码 | e0 |
| 负载/预设输入 | NO |
| 逻辑集成电路类型 | DECADE COUNTER |
| 工作模式 | ASYNCHRONOUS |
| 功能数量 | 1 |
| 端子数量 | 14 |
| 最高工作温度 | 70 °C |
| 最低工作温度 | |
| 封装主体材料 | CERAMIC |
| 封装代码 | DIP |
| 封装等效代码 | DIP14,.3 |
| 封装形状 | RECTANGULAR |
| 封装形式 | IN-LINE |
| 峰值回流温度（摄氏度） | NOT SPECIFIED |
| 电源 | 5 V |
| 认证状态 | Not Qualified |
| 标称供电电压 (Vsup) | 5 V |
| 表面贴装 | NO |
| 技术 | TTL |
| 温度等级 | COMMERCIAL |
| 端子面层 | Tin/Lead (Sn/Pb) |
| 端子形式 | THROUGH-HOLE |
| 端子节距 | 2.54 mm |
| 端子位置 | DUAL |
| 处于峰值回流温度下的最长时间 | NOT SPECIFIED |
| Base Number Matches | 1 |
| 7490ADC | 54LS90DM | 74LS90FC | 74LS90DC | 74LS90PC | 7490APC | 7490AFC | |
|---|---|---|---|---|---|---|---|
| 描述 | Decade Counter, Asynchronous, Up Direction, TTL, CDIP14, | Decade Counter, LS Series, Synchronous, Negative Edge Triggered, 4-Bit, Up Direction, TTL, CDIP14, CERAMIC, DIP-14 | Decade Counter, Asynchronous, Up Direction, TTL, CDFP14, | Decade Counter, Asynchronous, Up Direction, TTL, CDIP14, | Decade Counter, Asynchronous, Up Direction, TTL, PDIP14, | Decade Counter, Asynchronous, Up Direction, TTL, PDIP14, | Decade Counter, Asynchronous, Up Direction, TTL, CDFP14, |
| 是否Rohs认证 | 不符合 | 不符合 | 不符合 | 不符合 | 不符合 | 不符合 | 不符合 |
| 包装说明 | DIP, DIP14,.3 | DIP, DIP14,.3 | DFP, FL14,.3 | DIP, DIP14,.3 | DIP, DIP14,.3 | DIP, DIP14,.3 | DFP, FL14,.3 |
| Reach Compliance Code | compliant | unknown | compliant | compliant | unknown | compliant | compliant |
| 是否无铅 | 含铅 | - | 含铅 | 含铅 | 含铅 | 含铅 | 含铅 |
| 厂商名称 | Fairchild | - | Fairchild | Fairchild | Fairchild | Fairchild | Fairchild |
| 计数方向 | UP | UP | UP | UP | UP | UP | - |
| JESD-30 代码 | R-XDIP-T14 | R-CDIP-T14 | R-XDFP-F14 | R-XDIP-T14 | R-PDIP-T14 | R-PDIP-T14 | - |
| JESD-609代码 | e0 | e0 | e0 | e0 | e0 | e0 | - |
| 负载/预设输入 | NO | NO | NO | NO | NO | NO | - |
| 逻辑集成电路类型 | DECADE COUNTER | DECADE COUNTER | DECADE COUNTER | DECADE COUNTER | DECADE COUNTER | DECADE COUNTER | - |
| 工作模式 | ASYNCHRONOUS | SYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | ASYNCHRONOUS | - |
| 功能数量 | 1 | 1 | 1 | 1 | 1 | 1 | - |
| 端子数量 | 14 | 14 | 14 | 14 | 14 | 14 | - |
| 最高工作温度 | 70 °C | 125 °C | 70 °C | 70 °C | 70 °C | 70 °C | - |
| 封装主体材料 | CERAMIC | CERAMIC, METAL-SEALED COFIRED | CERAMIC | CERAMIC | PLASTIC/EPOXY | PLASTIC/EPOXY | - |
| 封装代码 | DIP | DIP | DFP | DIP | DIP | DIP | - |
| 封装等效代码 | DIP14,.3 | DIP14,.3 | FL14,.3 | DIP14,.3 | DIP14,.3 | DIP14,.3 | - |
| 封装形状 | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | RECTANGULAR | - |
| 封装形式 | IN-LINE | IN-LINE | FLATPACK | IN-LINE | IN-LINE | IN-LINE | - |
| 峰值回流温度（摄氏度） | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | - |
| 电源 | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | - |
| 认证状态 | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | Not Qualified | - |
| 标称供电电压 (Vsup) | 5 V | 5 V | 5 V | 5 V | 5 V | 5 V | - |
| 表面贴装 | NO | NO | YES | NO | NO | NO | - |
| 技术 | TTL | TTL | TTL | TTL | TTL | TTL | - |
| 温度等级 | COMMERCIAL | MILITARY | COMMERCIAL | COMMERCIAL | COMMERCIAL | COMMERCIAL | - |
| 端子面层 | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | Tin/Lead (Sn/Pb) | - |
| 端子形式 | THROUGH-HOLE | THROUGH-HOLE | FLAT | THROUGH-HOLE | THROUGH-HOLE | THROUGH-HOLE | - |
| 端子节距 | 2.54 mm | 2.54 mm | 1.27 mm | 2.54 mm | 2.54 mm | 2.54 mm | - |
| 端子位置 | DUAL | DUAL | DUAL | DUAL | DUAL | DUAL | - |
| 处于峰值回流温度下的最长时间 | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | NOT SPECIFIED | - |
| Base Number Matches | 1 | 1 | 1 | 1 | 1 | 1 | - |
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