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参数资料
| 型号： | SNJ54LS490J |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 计数器 |
| 英文描述： | LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP DECADE COUNTER, CDIP16 |
| 封装： | CERAMIC, DIP-16 |
| 文件页数： | 3/9页 |
| 文件大小： | 147K |
| 代理商： | SNJ54LS490J |
SN54LS490, SN74LS490
DUAL 4-BIT DECADE COUNTERS
SDLS125A – OCTOBER 1976 – REVISED JULY 1998
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
schematics of inputs and outputs
EQUIVALENT OF
EACH CLK INPUT
EQUIVALENT OF
EACH CLR AND SET9 INPUT
TYPICAL OF
ALL OUTPUTS
VCC
Input
43 k
NOM
VCC
Input
18 k
NOM
VCC
Output
120
NOM
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SNJ54LS490W | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述: |
| SNJ54LS49J | 制造商:Texas Instruments 功能描述:Decoder/Driver Single 4-to-7 14-Pin CDIP Tube 制造商:Rochester Electronics LLC 功能描述:BCD-TO-SEVEN-SEGMENT DECODER - Bulk |
| SNJ54LS51FK | 制造商:Rochester Electronics LLC 功能描述:DUAL AND-OR-INVERT GATE - Bulk 制造商:Texas Instruments 功能描述: |
| SNJ54LS51J | 制造商:Rochester Electronics LLC 功能描述:DUAL AND-OR-INVERT GATE - Bulk |
| SNJ54LS51W | 制造商:Texas Instruments 功能描述: |
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