參數(shù)資料
型號: AC161M
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
英文描述: 4-BIT SYNCHRONOUS BINARY COUNTERS
中文描述: 4位同步二進(jìn)制計(jì)數(shù)器
文件頁數(shù): 8/15頁
文件大?。?/td> 393K
代理商: AC161M
CD54AC161, CD74AC161
4-BIT SYNCHRONOUS BINARY COUNTERS
SCHS239C
SEPTEMBER 1998
REVISED MARCH 2003
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
55
°
C to
125
°
C
40
°
C to
85
°
C
UNIT
MIN
MAX
MIN
MAX
1.5 V
7
8
fclock
Clock frequency
3.3 V
±
0.3 V
5 V
±
0.5 V
1.5 V
3.3 V
±
0.3 V
5 V
±
0.5 V
1.5 V
3.3 V
±
0.3 V
5 V
±
0.5 V
1.5 V
3.3 V
±
0.3 V
5 V
±
0.5 V
1.5 V
3.3 V
±
0.3 V
5 V
±
0.5 V
1.5 V
3.3 V
±
0.3 V
5 V
±
0.5 V
64
73
MHz
90
103
69
61
CLK high or low
7.7
6.8
tw
Pulse duration
5.5
4.8
ns
63
55
CLR low
7
6.1
5
4.4
63
55
A, B, C, or D
7
6.1
tsu
Setup time before CLK
Setup time, before CLK
5
4.4
ns
75
66
LOAD
8.4
7.4
6
5.3
0
0
A, B, C, or D
0
0
0
0
th
Hold time after CLK
Hold time, after CLK
ns
1.5 V
0
0
ENP or ENT
3.3 V
±
0.3 V
5 V
±
0.5 V
0
0
0
0
1.5 V
75
66
trec
Recovery time, CLR
before CLK
3.3 V
±
0.3 V
5 V
±
0.5 V
8.4
7.4
5.3
ns
6
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