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參數(shù)資料
| 型號： | 74F579SJ |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | 8-Bit Bidirectional Binary Counter with 3-STATE Outputs |
| 中文描述： | F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 8-BIT BIDIRECTIONAL BINARY COUNTER, PDSO20 |
| 封裝： | 5.30 MM, EIAJ TYPE2, SOP-20 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大?。?/td> | 112K |
| 代理商： | 74F579SJ |
Philips Semiconductors
Product specification
74F579
8-bit bidirectional binary counter (3-State)
1992 May 04
8
AC SETUP REQUIREMENTS
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
= +25
°
C
V
CC
= +5.0V
C
L
= 50pF, R
L
= 500
MIN
TYP
T
amb
= 0
°
C to +70
°
C
V
CC
= +5.0V
±
10%
C
L
= 50pF, R
L
= 500
MIN
UNIT
MAX
MAX
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
w
(H)
t
w
(L)
t
w
(L)
t
rec
Setup time, High or Low
I/O
n
to CP
Hold time, High or Low
I/O
n
to CP
Setup time, High or Low
U/D to CP
Waveform 5
3.0
3.0
4.0
4.0
ns
ns
Waveform 5
0
0
0
0
ns
ns
Waveform 5
8.0
8.0
9.0
9.0
ns
ns
Hold time, High or Low
U/D to CP
Waveform 5
0
0
0
0
ns
ns
Setup time, High or Low
PE, SR or CS to CP
Waveform 5
9.5
9.5
10.0
10.0
ns
ns
Hold time, High or Low
PE, SR or CS to CP
Waveform 5
0
0
0
0
ns
ns
Setup time, High or Low
CEP or CET to CP
Waveform 5
5.0
9.0
5.5
10.5
ns
ns
Hold time, High or Low
CEP or CET to CP
Waveform 5
0
0
0
0
ns
ns
CP Pulse width, High or Low
Waveform 1
4.5
4.5
4.5
4.5
ns
ns
MR
Pulse width, Low
Waveform 2
3.0
3.0
ns
Recovery time, MR to CP
Waveform 2
4.0
4.5
ns
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