SN54AS644J
vs
SN74AS645DWR
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
TEXAS INSTRUMENTS INC
TEXAS INSTRUMENTS INC
Package Description
DIP, DIP20,.3
GREEN, PLASTIC, SO-20
Reach Compliance Code
not_compliant
compliant
HTS Code
8542.39.00.01
8542.39.00.01
Additional Feature
WITH DIRECTION CONTROL
WITH DIRECTION CONTROL
Control Type
COMMON CONTROL
COMMON CONTROL
Count Direction
BIDIRECTIONAL
BIDIRECTIONAL
Family
AS
AS
JESD-30 Code
R-GDIP-T20
R-PDSO-G20
Length
24.195 mm
12.8 mm
Load Capacitance (CL)
50 pF
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
125 °C
70 °C
Operating Temperature-Min
-55 °C
Output Characteristics
OPEN-COLLECTOR
3-STATE
Output Polarity
TRUE
TRUE
Package Body Material
CERAMIC, GLASS-SEALED
PLASTIC/EPOXY
Package Code
DIP
SOP
Package Equivalence Code
DIP20,.3
SOP20,.4
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
IN-LINE
SMALL OUTLINE
Peak Reflow Temperature (Cel)
NOT SPECIFIED
NOT SPECIFIED
Power Supply Current-Max (ICC)
124 mA
149 mA
Propagation Delay (tpd)
8.5 ns
9 ns
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
5.08 mm
2.65 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
NO
YES
Technology
TTL
TTL
Temperature Grade
MILITARY
COMMERCIAL
Terminal Form
THROUGH-HOLE
GULL WING
Terminal Pitch
2.54 mm
1.27 mm
Terminal Position
DUAL
DUAL
Time@Peak Reflow Temperature-Max (s)
NOT SPECIFIED
NOT SPECIFIED
Width
7.62 mm
7.5 mm
Base Number Matches
2
2
Pbfree Code
Part Package Code
SOIC
Pin Count
20
Max I(ol)
0.064 A
Packing Method
TR
Prop. Delay@Nom-Sup
9.5 ns
Compare SN54AS644J with alternatives
Compare SN74AS645DWR with alternatives