參數(shù)資料
型號: HD74HC193
廠商: Hitachi,Ltd.
元件分類: 通用總線功能
英文描述: Synchronous Up/Down Decade,4-bit Binary Counter(Dual Clock Line)
中文描述: 同步向上/向下十年,4 -位二進(jìn)制計(jì)數(shù)器(雙時(shí)鐘線)
文件頁數(shù): 9/13頁
文件大小: 74K
代理商: HD74HC193
HD74HC192/HD74HC193
9
AC Characteristics
(C
L
= 50 pF, Input t
r
= t
f
= 6 ns) (cont)
Ta = 25
°
C
Ta = –40 to
+85
°
C
Item
Symbol
V
CC
(V)
2.0
Min Typ Max Min
Max
Unit
Test Conditions
Hold time
t
h
5
5
ns
Data to Load
4.5
5
–3
5
6.0
5
5
Setup time
t
su
2.0
100 —
125
ns
Data to Load
4.5
20
4
25
6.0
17
21
Removal time
t
rem
2.0
50
65
ns
Clear to Clock
4.5
10
–1
13
6.0
9
11
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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