74HC688DB NXP Semiconductors, 74HC688DB Datasheet - Page 7

• Manufacturer Part Number: 74HC688DB
• Description: Comparator ICs 8-BIT MAGNITUDE COMPARATOR
• Manufacturer: NXP Semiconductors
• Type: Identity Comparatorr

Specifications of 74HC688DB

• Number Of Bits: 8
• Logic Family: HC
• Technology: CMOS
• High Level Output Current: -5.2mA
• Low Level Output Current: 5.2mA
• Output Function: A=B
• Package Type: SSOP
• Quiescent Current: 8uA
• Mounting: Surface Mount
• Pin Count: 20
• Polarity: Inverting
• Abs. Propagation Delay Time: 255ns
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 6V
• Operating Supply Voltage (min): 2V
• Operating Temperature (max): 125C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Automotive
• Comparator Type: Magnitude
• Product: Digital Comparators
• Response Time: 16 ns
• Input Bias Current (max): 0.008 mA
• Supply Voltage (max): 6 V
• Supply Voltage (min): 2 V
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-339
• Minimum Operating Temperature: - 40 C
• Propagation Delay Time: 170 ns, 34 ns, 29 ns
• Lead Free Status / RoHS Status: Compliant
• Other names: 74HC688DB,112

Philips Semiconductors
AC WAVEFORMS
APPLICATION INFORMATION
Two or more “688” 8-bit magnitude comparators may be cascaded to compare binary or BCD numbers of more than 8
bits. An example is shown in Fig.8.
PACKAGE OUTLINES
See
December 1990
8-bit magnitude comparator
(1) HC : V
Fig.6
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
HCT: V
Waveforms showing the enable input (E) to
the equal to output (P = Q) propagation
delays and the output transition times.
M
M
= 1.3 V; V
= 50%; V
I
I
= GND to V
= GND to 3 V.
CC
.
Fig.8 Binary or BCD comparator.
.
7
(1) HC : V
Fig.7
HCT: V
Waveforms showing the word inputs (P
to the equal to output (P = Q) propagation
delays and the output transition times.
M
M
= 1.3 V; V
= 50%; V
I
I
= GND to V
= GND to 3 V.
CC
.
74HC/HCT688
Product specification
n
, Q
n
)