M74HC688B1R STMicroelectronics, M74HC688B1R Datasheet

IC COMPARATOR EQUALITY 8B 20DIP

M74HC688B1R

Manufacturer Part Number
M74HC688B1R
Description
IC COMPARATOR EQUALITY 8B 20DIP
Manufacturer
STMicroelectronics
Series
74HCr
Type
Equality Comparatorr
Datasheets

Specifications of M74HC688B1R

Number Of Bits
8
Delay Time - Propagation
17ns
Current - Supply
4µA
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-55°C ~ 125°C
Package / Case
20-DIP (0.300", 7.62mm)
Circuit Type
Silicon Gate
Current, Supply
80 μA
Function Type
8-Bits
Logic Function
Equality Comparator
Logic Type
CMOS
Package Type
DIP-20
Special Features
High Speed
Temperature, Operating, Range
-55 to +125 °C
Voltage, Supply
2 to 6 V
Logic Family
HC
Technology
CMOS
High Level Output Current
-5.2mA
Low Level Output Current
5.2mA
Output Function
A=B
Quiescent Current
4uA
Mounting
Through Hole
Pin Count
20
Polarity
Inverting
Abs. Propagation Delay Time
255ns
Operating Supply Voltage (typ)
2.5/3.3/5V
Operating Supply Voltage (max)
6V
Operating Supply Voltage (min)
2V
Operating Temperature (max)
125C
Operating Temperature (min)
-55
Operating Temperature Classification
Military
No. Of Channels
8
Supply Voltage Range
2V To 6V
Logic Case Style
DIP
No. Of Pins
20
Operating Temperature Range
-55°C To +125°C
Response Time
7ns
Filter Terminals
Through Hole
Rohs Compliant
Yes
Ic Generic Number
74HC688
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-7389-5
M74HC688B1R

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M74HC688B1R
Manufacturer:
ST
Quantity:
50
DESCRIPTION
The M74HC688 is an high speed CMOS 8 BIT
EQUALITY COMPARATOR fabricated with silicon
gate C
The M74HC688 compares bit for bit two 8-bit
words applied on inputs P0 - P7 and inputs Q0 -
Q7 and indicates whether or not they are equal. A
PIN CONNECTION AND IEC LOGIC SYMBOLS
July 2001
HIGH SPEED:
t
LOW POWER DISSIPATION:
I
HIGH NOISE IMMUNITY:
V
SYMMETRICAL OUTPUT IMPEDANCE:
|I
BALANCED PROPAGATION DELAYS:
t
WIDE OPERATING VOLTAGE RANGE:
V
PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 688
PD
CC
PLH
OH
NIH
CC
= 17ns (TYP.) at V
= 4 A(MAX.) at T
| = I
2
(OPR) = 2V to 6V
MOS technology.
= V
t
PHL
OL
NIL
= 4mA (MIN)
= 28 % V
A
CC
CC
=25°C
(MIN.)
= 6V
8 BIT EQUALITY COMPARATOR
ORDER CODES
single active low enable is provided to facilitate
cascading
comparison of words greater than 8 bits.
All inputs are equipped with protection circuits
against static discharge and transient excess
voltage.
PACKAGE
TSSOP
SOP
DIP
DIP
M74HC688M1R
M74HC688B1R
several
TUBE
packages
SOP
M74HC688
M74HC688RM13TR
M74HC688TTR
T & R
to
TSSOP
enable
1/9

Related parts for M74HC688B1R

M74HC688B1R Summary of contents

Page 1

... PIN CONNECTION AND IEC LOGIC SYMBOLS July 2001 8 BIT EQUALITY COMPARATOR DIP ORDER CODES PACKAGE TUBE DIP M74HC688B1R SOP M74HC688M1R TSSOP single active low enable is provided to facilitate cascading several comparison of words greater than 8 bits. All inputs are equipped with protection circuits against static discharge and transient excess voltage ...

Page 2

M74HC688 INPUT AND OUTPUT EQUIVALENT CIRCUIT TRUTH TABLE <> Don’t Care LOGIC DIAGRAM This logic diagram has not be used to estimate propagation delays 2/9 PIN DESCRIPTION PIN ...

Page 3

ABSOLUTE MAXIMUM RATINGS Symbol V Supply Voltage Input Voltage Output Voltage Input Diode Current Output Diode Current Output Current ...

Page 4

M74HC688 DC SPECIFICATIONS Symbol Parameter V V High Level Input IH Voltage V Low Level Input IL Voltage V High Level Output OH Voltage V Low Level Output OL Voltage I Input Leakage I Current I Quiescent Supply CC Current ...

Page 5

CAPACITIVE CHARACTERISTICS Symbol Parameter V C Input Capacitance IN C Power Dissipation PD Capacitance (note defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without PD load. ...

Page 6

M74HC688 DIM. MIN. a1 0.254 B 1. 6/9 Plastic DIP-20 (0.25) MECHANICAL DATA mm. TYP MAX. 1.65 0.45 0.25 25.4 8.5 2.54 22.86 7.1 3.93 3.3 1.34 inch MIN. TYP. ...

Page 7

SO-20 MECHANICAL DATA mm. DIM. MIN 0 0. 12.60 E 10. 11.43 F 7. TYP MAX. MIN. 2.65 0.2 0.004 2.45 0.49 0.014 0.32 0.009 ...

Page 8

M74HC688 DIM. MIN 0.05 A2 0.8 b 0.19 c 0.09 D 6.4 E 6 0° PIN 1 IDENTIFICATION 1 8/9 TSSOP20 MECHANICAL DATA mm. TYP MAX. 1.2 0.15 ...

Page 9

... No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied ...

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