DM74AS640WMX
vs
SN54AS644J
feature comparison
All Stats
Differences Only
Part Life Cycle Code
Transferred
Active
Ihs Manufacturer
NATIONAL SEMICONDUCTOR CORP
ROCHESTER ELECTRONICS INC
Part Package Code
SOIC
DIP
Package Description
SOP,
DIP,
Pin Count
20
20
Reach Compliance Code
unknown
unknown
HTS Code
8542.39.00.01
Additional Feature
WITH DIRECTION CONTROL
WITH DIRECTION CONTROL
Family
AS
AS
JESD-30 Code
R-PDSO-G20
R-GDIP-T20
Length
12.8 mm
24.195 mm
Load Capacitance (CL)
50 pF
Logic IC Type
BUS TRANSCEIVER
BUS TRANSCEIVER
Number of Bits
8
8
Number of Functions
1
1
Number of Ports
2
2
Number of Terminals
20
20
Operating Temperature-Max
70 °C
125 °C
Operating Temperature-Min
-55 °C
Output Characteristics
3-STATE
OPEN-COLLECTOR
Output Polarity
INVERTED
TRUE
Package Body Material
PLASTIC/EPOXY
CERAMIC, GLASS-SEALED
Package Code
SOP
DIP
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
SMALL OUTLINE
IN-LINE
Power Supply Current-Max (ICC)
123 mA
Propagation Delay (tpd)
6 ns
8.5 ns
Qualification Status
Not Qualified
Seated Height-Max
2.65 mm
5.08 mm
Supply Voltage-Max (Vsup)
5.5 V
5.5 V
Supply Voltage-Min (Vsup)
4.5 V
4.5 V
Supply Voltage-Nom (Vsup)
5 V
5 V
Surface Mount
YES
NO
Technology
TTL
TTL
Temperature Grade
COMMERCIAL
MILITARY
Terminal Form
GULL WING
THROUGH-HOLE
Terminal Pitch
1.27 mm
2.54 mm
Terminal Position
DUAL
DUAL
Width
7.5 mm
7.62 mm
Base Number Matches
3
2
Compare DM74AS640WMX with alternatives
Compare SN54AS644J with alternatives