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HD74HCT688P中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書
HD74HCT688P規(guī)格書詳情
描述 Description
The HD74HCT688 compares bit for bit two 8-bit words and indicates whether or not they are equal. The P=Q output indicates equality when it is low.
A single active low enable is provided to facilitate cascading of several packages and enable comparison of words greater than 8-bits.
This device is useful in memory block decoding applications, where memory block enable signals must be generated from computer address information.
特性 Features
? LSTTL Output Logic Level Compatibility as well as CMOS Output Compatibility
? High Speed Operation: tpd (Data to P=Q) = 18 ns typ (CL = 50 pF)
? High Output Current: Fanout of 10 LSTTL Loads
? Wide Operating Voltage: VCC = 4.5 to 5.5 V
? Low Input Current: 1 μA max
? Low Quiescent Supply Current: ICC (static) = 4 μA max (Ta = 25°C)
| 供應(yīng)商 | 型號 | 品牌 | 批號 | 封裝 | 庫存 | 備注 | 價格 |
|---|---|---|---|---|---|---|---|
HITACHI |
00+ |
SOP-14P |
3324 |
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詢價 | ||
NEC |
23+ |
DIP/14/磁 |
7000 |
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詢價 | ||
RENESAS |
23+ |
NA |
4441 |
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詢價 | ||
RENESAS/瑞薩 |
23+ |
TSSOP14 |
15000 |
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詢價 | ||
HIT |
24+ |
CDIP14P |
6980 |
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詢價 | ||
日立 |
24+ |
DIP |
3200 |
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詢價 | ||
HITACHI |
23+ |
CDIP14 |
5000 |
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詢價 | ||
HIT |
25+23+ |
DIP |
24471 |
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詢價 | ||
HIT |
ROHS |
13352 |
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詢價 | |||
HIT |
23+ |
58891 |
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詢價 |
