參數(shù)資料
型號: 74HCT7597
廠商: NXP Semiconductors N.V.
英文描述: Dual 4-Input Positive-AND Gates 14-SOIC -40 to 85
中文描述: 雙4輸入正與門,14-SOIC封裝,工作溫度-40℃到85℃
文件頁數(shù): 9/12頁
文件大小: 90K
代理商: 74HCT7597
December 1990
9
Philips Semiconductors
Product specification
8-bit shift register with input latches
74HC/HCT7597
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: standard
I
CC
category: MSI
Note to HCT types
The value of additional quiescent supply current (
I
CC
) for a unit load of 1 is given in the family specifications.
To determine
I
CC
per input, multiply this value by the unit load coefficient shown in the table below.
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
INPUT
UNIT LOAD COEFFICIENT
D
S
D
n
PL, MR
LE, SH
CP
0.25
0.40
1.50
1.50
SYMBOL PARAMETER
T
amb
(
°
C)
UNIT
TEST CONDITIONS
74HCT
V
CC
(V)
WAVEFORMS
+
25
40 to
+
85
40 to
+
125
min. typ.
max.
min.
max.
min.
max.
t
PHL
/ t
PLH
propagation delay
SH
CP
to Q
propagation delay
MR to Q
propagation delay
LE to Q
propagation delay
PL to Q
propagation delay
D
7
to Q
output transition time
20
35
44
53
ns
4.5
Fig.7
t
PHL
25
42
53
63
ns
4.5
Fig.7
t
PHL
/ t
PLH
31
53
66
80
ns
4.5
Fig.7
t
PHL
/ t
PLH
27
46
58
69
ns
4.5
Fig.7
t
PHL
/ t
PLH
28
49
61
74
ns
4.5
Fig.7
t
THL
/ t
TLH
7
15
19
22
ns
4.5
Fig.7
t
W
SH
CP
pulse width
HIGH or LOW
LE pulse width
LOW
MR pulse width
LOW
PL pulse width
LOW
removal time
MR to SH
CP
removal time
MR to PL
16
6
20
24
ns
4.5
Fig.7
t
W
16
7
20
24
ns
4.5
Fig.7
t
W
20
11
25
30
ns
4.5
Fig.7
t
W
18
9
23
27
ns
4.5
Fig.7
t
rem
10
1
13
15
ns
4.5
Fig.7
t
rem
20
9
25
30
ns
4.5
Fig.7
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