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參數(shù)資料
| 型號： | 74HCT574 |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | 4-Bit Synchronous Up/Down Counters (Dual Clock With Clear) 16-SO -40 to 85 |
| 中文描述： | 八路D型觸發(fā)器，上升沿觸發(fā)，三態(tài) |
| 文件頁數(shù)： | 3/7頁 |
| 文件大?。?/td> | 57K |
| 代理商： | 74HCT574 |
December 1990
3
Philips Semiconductors
Product specification
Octal D-type flip-flop; positive edge-trigger;
3-state
74HC/HCT574
PIN DESCRIPTION
PIN NO.
SYMBOL
NAME AND FUNCTION
1
2, 3, 4, 5, 6, 7, 8, 9
10
11
19, 18, 17, 16, 15, 14, 13, 12
20
OE
D
0
to D
7
GND
CP
Q
0
to Q
7
V
CC
3-state output enable input (active LOW)
data inputs
ground (0 V)
clock input (LOW-to-HIGH, edge-triggered)
3-state flip-flop outputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
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