74hct688 NXP Semiconductors, 74hct688 Datasheet - Page 5

• Manufacturer Part Number: 74hct688
• Description: 8-bit Magnitude Comparator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
Output capability: standard
I
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
December 1990
CC
SYMBOL PARAMETER
t
t
t
PHL
PHL
THL
8-bit magnitude comparator
category: MSI
/ t
/ t
/ t
TLH
PLH
PLH
propagation delay
propagation delay
output transition time
r
= t
P
E to P = Q
n
, Q
f
= 6 ns; C
n
to P = Q
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min.
55
20
16
28
10
8
19
7
6
typ.
25
170
34
29
120
24
20
75
15
13
max.
T
5
amb
74HC
min. max.
40 to 85
( C)
215
43
37
150
30
26
95
19
16
min.
40 to 125
255
51
43
180
36
31
110
22
19
max.
.
ns
ns
ns
UNIT
74HC/HCT688
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
TEST CONDITIONS
V
(V)
Product specification
CC
WAVEFORMS
Fig.6
Fig.7
Figs 6 and 7