參數資料
型號: M74HC279RM13TR
廠商: 意法半導體
元件分類: 通用總線功能
英文描述: QUAD S - R LATCH
中文描述: 四碼- R鎖存
文件頁數: 2/10頁
文件大?。?/td> 283K
代理商: M74HC279RM13TR
M74HC279
2/10
IINPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
NOTE : Q0 = The level of Q before the indicated input condition was
established.
# : For latches with double S input :
H : Both S inputs high
L : One of both inputs low
LOGIC DIAGRAM
This logic diagram has not be used to estimate propagation delays
PIN No
SYMBOL
NAME AND FUNCTION
1, 5, 10, 14
1R to 4R
1S1, 1S2,
2S, 3S1,
3S2, 4S
1Q to 4Q
GND
V
CC
Reset Inputs (Active Low)
2, 3, 6, 11,
12, 15
Set Inputs (Active Low)
4, 7, 9, 13
8
16
Outputs
Ground (0V)
Positive Supply Voltage
S #
R
Q
H
L
H
L
H
H
L
L
Q0
H
L
H
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