參數(shù)資料
型號: HD74HC131
廠商: Hitachi,Ltd.
元件分類: 通用總線功能
英文描述: Synchronous 4-Bit Up/Down Binary Counters With Dual Clock 16-CDIP -55 to 125
中文描述: 3至8線解碼器/解復(fù)用器的邊沿觸發(fā)地址寄存器
文件頁數(shù): 5/9頁
文件大小: 58K
代理商: HD74HC131
HD74HC131
5
AC Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns)
Ta = 25
°
C
Ta = –40 to
+85
°
C
Item
Symbol
V
CC
(V)
2.0
Min Typ Max Min
Max
Unit
Test Conditions
Propagation delay t
PLH
time
210 —
265
ns
CLK to Y
t
PHL
4.5
20
42
53
6.0
36
45
t
PLH
t
PHL
2.0
140 —
175
ns
G
1
or
G
2
to Y
4.5
15
28
35
6.0
24
30
Pulse width
t
w
2.0
80
100
ns
4.5
16
5
20
6.0
14
17
Setup time
t
su
2.0
50
65
ns
4.5
10
2
13
6.0
9
11
Hold time
t
h
2.0
5
5
ns
4.5
5
–1
5
6.0
5
5
Output rise/fall
t
TLH
t
THL
2.0
75
95
ns
time
4.5
5
15
19
6.0
13
16
Input capacitance
Cin
5
10
10
pF
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