7485 View Datasheet(PDF) - Philips Electronics
Part Name
Description
Manufacturer
7485 Datasheet PDF : 9 Pages
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Philips Semiconductors
4-bit magnitude comparator
Product specification
74HC/HCT85
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
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
+25
min. typ. max.
74HC
−40 to +85
min. max.
−40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. max.
tPHL/ tPLH propagation delay
63 195
245
295 ns 2.0 Fig.6
An, Bn to QA>B or QA<B
23 39
49
59
4.5
18 33
42
50
6.0
tPHL/ tPLH propagation delay
An, Bn to QA=B
58 175
220
265 ns 2.0 Fig.6
21 35
44
53
4.5
17 30
37
45
6.0
tPHL/ tPLH
tPHL/ tPLH
propagation delay
IA<B, IA=B, IA>B to
QA<B, QA>B
propagation delay
IA=B to QA=B
tTHL/ tTLH output transition time
50 140
175
210 ns 2.0 Fig.6
18 28
35
42
4.5
14 24
30
36
6.0
39 120
150
180 ns 2.0 Fig.6
14 24
30
36
4.5
11 20
26
31
6.0
19 75
95
110 ns 2.0 Fig.6
7 15
19
22
4.5
6 13
16
19
6.0
December 1990
6
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