參數(shù)資料
型號: 4043B
廠商: NXP Semiconductors N.V.
英文描述: Quadruple R/S latch with 3-state outputs
中文描述: 四人間的R / S鎖存具有三態(tài)輸出
文件頁數(shù): 4/5頁
文件大?。?/td> 46K
代理商: 4043B
January 1995
4
Philips Semiconductors
Product specification
Quadruple R/S latch with 3-state outputs
HEF4043B
MSI
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°
C; C
L
= 50 pF; input transition times
20 ns
V
DD
V
SYMBOL
MIN.
TYP.
MAX.
TYPICAL EXTRAPOLATION
FORMULA
Propagation delays
R
n
O
n
HIGH to LOW
5
90
35
25
65
25
15
60
30
20
60
30
20
180
70
50
135
50
35
120
60
40
120
60
40
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
63 ns
+
(0,55 ns/pF) C
L
24 ns
+
(0,23 ns/pF) C
L
17 ns
+
(0,16 ns/pF) C
L
38 ns
+
(0,55 ns/pF) C
L
14 ns
+
(0,23 ns/pF) C
L
7 ns
+
(0,16 ns/pF) C
L
10 ns
+
(1,0 ns/pF) C
L
9 ns
+
(0,42 ns/pF) C
L
6 ns
+
(0,28 ns/pF) C
L
10 ns
+
(1,0 ns/pF) C
L
9 ns
+
(0,42 ns/pF) C
L
6 ns
+
(0,28 ns/pF) C
L
10
15
5
10
15
t
PHL
S
n
O
n
LOW to HIGH
t
PLH
Output transition
times
HIGH to LOW
5
10
15
t
THL
5
LOW to HIGH
10
15
t
TLH
3-state propagation delays
Output disable times
EO
O
n
HIGH
5
45
20
10
50
20
10
90
35
25
100
40
25
ns
ns
ns
ns
ns
ns
10
15
5
10
15
t
PHZ
LOW
t
PLZ
Output enable times
EO
O
n
HIGH
5
25
15
10
40
20
15
15
10
8
15
10
8
50
30
25
80
45
35
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
10
15
5
10
15
t
PZH
LOW
t
PZL
Minimum S
n
pulse width; HIGH
5
30
20
16
30
20
16
see also waveforms
Fig.5
10
15
t
WSH
Minimum R
n
pulse width; HIGH
5
10
15
t
WRH
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