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74HC377 Datasheet, PDF (5/7 Pages) NXP Semiconductors – Octal D-type flip-flop with data enable; positive-edge trigger | |||
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Philips Semiconductors
Octal D-type ï¬ip-ï¬op with data enable;
positive-edge trigger
Product speciï¬cation
74HC/HCT377
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see â74HC/HCT/HCU/HCMOS Logic Family Specificationsâ.
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
CP to Qn
tTHL/ tTLH output transition time
tW
clock pulse width
HIGH or LOW
tsu
set-up time
Dn to CP
tsu
set-up time
E to CP
th
hold time
Dn to CP
th
hold time
E to CP
fmax
maximum clock pulse
frequency
Tamb (°C)
TEST CONDITIONS
74HC
+25
â40 to +85
â40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
44 160
200
240 ns 2.0 Fig.6
16 32
40
48
4.5
13 27
34
41
6.0
19 75
95
110 ns 2.0 Fig.6
7 15
19
22
4.5
6 13
16
19
6.0
80 14
16 5
14 4
100
120
20
24
17
20
ns 2.0 Fig.6
4.5
6.0
60 14
75
90
12 5
15
18
10 4
13
15
ns 2.0 Fig.7
4.5
6.0
60 6
12 2
10 2
75
90
15
18
13
15
ns 2.0 Fig.7
4.5
6.0
3 â8
3
3
3 â3
3
3
3 â2
3
3
4 â3
4
4
4 â1
4
4
4 â1
4
4
6 23
5
4
30 70
24
20
35 83
28
24
ns 2.0 Fig.7
4.5
6.0
ns 2.0 Fig.7
4.5
6.0
MHz 2.0 Fig.6
4.5
6.0
December 1990
5
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