74HC85DB NXP Semiconductors, 74HC85DB Datasheet - Page 7

• Manufacturer Part Number: 74HC85DB
• Description: Comparator ICs 4-BIT MAGNITUDE COMP
• Manufacturer: NXP Semiconductors

Specifications of 74HC85DB

• Comparator Type: Magnitude
• Product: Digital Comparators
• Output Type: Complementary
• Response Time: 18 ns
• Input Bias Current (max): 0.008 mA
• Supply Voltage (max): 6 V
• Supply Voltage (min): 2 V
• Supply Current (max): 70 mA
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SSOP-16
• Minimum Operating Temperature: - 40 C
• Number Of Bits: 4
• Propagation Delay Time: 195 ns, 39 ns, 33 ns
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HC85DB,112

Philips Semiconductors
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: standard
I
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1990
CC
INPUT
I
I
I
A
SYMBOL PARAMETER
t
t
t
t
t
A B
A B
A=B
PHL
PHL
PHL
PHL
THL
n
4-bit magnitude comparator
, B
category: MSI
/ t
/ t
/ t
/ t
/ t
n
TLH
PLH
PLH
PLH
PLH
UNIT LOAD COEFFICIENT
propagation delay
propagation delay
propagation delay
propagation delay
output transition time
r
A
Q
A
I
I
= t
A B
A=B
n
A B
n
, B
CC
, B
f
= 6 ns; C
, I
, Q
to Q
n
per input, multiply this value by the unit load coefficient shown in the table below.
n
A=B
to Q
to Q
A B
A=B
, I
1.00
1.00
1.50
1.50
A B
A B
A=B
L
or Q
= 50 pF
to
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
A B
min. typ.
26
24
18
18
7
25
CC
max.
44
40
31
31
15
) for a unit load of 1 is given in the family specifications.
7
T
74HCT
amb
min. max.
40 to 85
( C)
55
50
39
39
19
min.
40 to 125
max.
66
60
47
47
22
.
UNIT
ns
ns
ns
ns
ns
74HC/HCT85
V
4.5
4.5
4.5
4.5
4.5
TEST CONDITIONS
Product specification
(V)
CC
WAVEFORMS
Fig.6
Fig.6
Fig.6
Fig.6
Fig.6