74HC597 查看數據表（PDF） - Philips Electronics
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74HC597 Datasheet PDF : 12 Pages
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Philips Semiconductors
8-bit shift register with input flip-flops
Product specification
74HC/HCT597
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
SYMBOL
PARAMETER
tPHL/ tPLH propagation delay
SHCP to Q
tPHL
propagation delay
MR to Q
tPHL/ tPLH propagation delay
STCP to Q
tPHL/ tPLH propagation delay
PL to Q
tTHL/ tTLH output transition time
tW
STCP pulse width
HIGH or LOW
tW
SHCP pulse width
HIGH or LOW
tW
MR pulse width
LOW
tW
PL pulse width
LOW
trem
removal time
MR to SHCP
tsu
set-up time
Dn to STCP
Tamb (°C)
TEST CONDITIONS
74HC
+25
−40 to +85
−40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
55 175
220
265 ns 2.0 Fig.7
20 35
44
53
4.5
16 30
37
45
6.0
58 175
220
265 ns 2.0 Fig.8
21 35
44
53
4.5
17 30
37
45
6.0
80 250
315
375 ns 2.0 Fig.7
29 50
63
75
4.5
23 43
54
64
6.0
69 215
270
325 ns 2.0 Fig.9
25 43
54
65
4.5
20 37
46
55
6.0
19 75
95
110 ns 2.0 Fig.9
7 15
19
22
4.5
6 13
16
19
6.0
80 11
16 4
14 3
100
120
20
24
17
20
ns 2.0 Fig.7
4.5
6.0
80 14
16 5
14 4
100
120
20
24
17
20
ns 2.0 Fig.7
4.5
6.0
80 22
16 8
14 6
100
120
20
24
17
20
ns 2.0 Fig.8
4.5
6.0
80 22
16 8
14 6
100
120
20
24
17
20
ns 2.0 Fig.9
4.5
6.0
60 −3
75
90
12 −1
15
18
10 −1
13
15
60 8
12 3
10 2
75
90
15
18
13
15
ns 2.0 Fig.10
4.5
6.0
ns 2.0 Fig.11
4.5
6.0
December 1990
7
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