74HCT688DB,118 NXP Semiconductors, 74HCT688DB,118 Datasheet - Page 6

• Manufacturer Part Number: 74HCT688DB,118
• Description: IC COMPARATOR MAGNITUDE 20SSOP
• Manufacturer: NXP Semiconductors
• Series: 74HCTr
• Type: Magnitude Comparatorr

Specifications of 74HCT688DB,118

• Package / Case: 20-SSOP
• Number Of Bits: 8
• Delay Time - Propagation: 18ns
• Voltage - Supply: 4.5 V ~ 5.5 V
• Product: Digital Comparators
• Input Bias Current (max): 0.008 mA
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 4.5 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Logic Family: HCT
• Technology: CMOS
• High Level Output Current: -4mA
• Low Level Output Current: 4mA
• Output Function: A=B
• Package Type: SSOP
• Quiescent Current: 8uA
• Mounting: Surface Mount
• Pin Count: 20
• Polarity: Inverting
• Abs. Propagation Delay Time: 51ns
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4.5V
• Operating Temperature (max): 125C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Automotive
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Operating Temperature: -
• Lead Free Status / Rohs Status: Compliant
• Other names: 74HCT688DB-T; 74HCT688DB-T; 935189430118

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
P
Q
E
SYMBOL PARAMETER
t
t
t
PHL
PHL
THL
n
8-bit magnitude comparator
n
category: MSI
/ t
/ t
/ t
TLH
PLH
PLH
propagation delay
propagation delay
output transition time
r
P
E to P = Q
= t
n
UNIT LOAD COEFFICIENT
0.35
0.35
0.70
CC
, Q
f
= 6 ns; C
per input, multiply this value by the unit load coefficient shown in the table below.
n
to P = Q
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
min.
20
18
7
typ.
25
CC
34
24
15
max. min. max.
) for a unit load of 1 is given in the family specifications.
T
6
74HCT
amb
40 to 85
( C)
43
30
19
min.
40 to 125
51
36
22
max.
.
UNIT
ns
ns
ns
74HC/HCT688
4.5
4.5
4.5
V
TEST CONDITIONS
(V)
Product specification
CC
WAVEFORMS
Fig.6
Fig.7
Figs 6 and 7