參數(shù)資料
型號(hào): 74F191SC
廠(chǎng)商: NATIONAL SEMICONDUCTOR CORP
元件分類(lèi): 通用總線(xiàn)功能
英文描述: Up/Down Binary Counter with Preset and Ripple Clock
中文描述: F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
封裝: 0.150 INCH, SOP-16
文件頁(yè)數(shù): 8/14頁(yè)
文件大小: 104K
代理商: 74F191SC
Philips Semiconductors
Product specification
74F191
Up/Down binary counter with reset and ripple clock
1995 Jul 17
8
AC SETUP REQUIREMENTS
LIMITS
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
SYMBOL
PARAMETER
TEST CONDITIONS
UNIT
Max
Max
t
s
(H)
t
s
(L)
t
h
(H)
t
h
(L)
t
s
(L)
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
D
n
to PL
Hold time, High or Low
D
n
to PL
Setup time, Low CE
to
CP
Waveform 6
4.5
4.5
5.0
5.0
ns
ns
Waveform 6
2.0
2.0
2.0
2.0
ns
ns
Waveform 6
10.0
10.0
ns
Hold time, Low CE to CP
Waveform 6
0
0
ns
Setup time, High or Low
U/D to CP
Waveform 6
12.0
12.0
12.0
12.0
ns
ns
Hold time, High or Low
U/D to CP
Waveform 6
0
0
0
0
ns
ns
CP Pulse width, High or Low
Waveform 1
3.5
6.0
3.5
6.0
ns
ns
PL Pulse width, Low
Waveform 5
6.0
6.0
ns
Recovery time, PL to CP
Waveform 5
6.0
6.0
ns
相關(guān)PDF資料
PDF描述
74F191SJ Up/Down Binary Counter with Preset and Ripple Clock
74F191PC Up/Down Binary Counter with Preset and Ripple Clock
74F191 Up/Down Binary Counter with Preset and Ripple Clock
74F191SC Up/Down Binary Counter with Preset and Ripple Clock
74F191SJ Up/Down Binary Counter with Preset and Ripple Clock
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