DM74AS640WM
vs
SN74AS648DWRE4
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
FAIRCHILD SEMICONDUCTOR CORP
TEXAS INSTRUMENTS INC
Part Package Code
SOIC
SOIC
Package Description
SOP, SOP20,.4
SOP, SOP24,.4
Pin Count
20
24
Reach Compliance Code
unknown
compliant
HTS Code
8542.39.00.01
8542.39.00.01
Additional Feature
WITH DIRECTION CONTROL
DIRECTION CONTROL; SELECT INPUT FOR MULTIPLEXED TRANSMISSION OF REGISTERED OR REAL TIME DATA
Control Type
COMMON CONTROL
INDEPENDENT CONTROL
Count Direction
BIDIRECTIONAL
BIDIRECTIONAL
Family
AS
AS
JESD-30 Code
R-PDSO-G20
R-PDSO-G24
JESD-609 Code
e0
Length
12.8 mm
15.4 mm
Logic IC Type
BUS TRANSCEIVER
REGISTERED BUS TRANSCEIVER
Max I(ol)
0.064 A
0.048 A
Number of Bits
8
8
Number of Functions
1
1
Number of Ports
2
2
Number of Terminals
20
24
Operating Temperature-Max
70 °C
70 °C
Operating Temperature-Min
Output Characteristics
3-STATE
3-STATE
Output Polarity
INVERTED
INVERTED
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
SOP
SOP
Package Equivalence Code
SOP20,.4
SOP24,.4
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
SMALL OUTLINE
SMALL OUTLINE
Power Supply Current-Max (ICC)
123 mA
195 mA
Prop. Delay@Nom-Sup
7 ns
8 ns
Propagation Delay (tpd)
7 ns
9 ns
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
2.65 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
YES
YES
Technology
TTL
TTL
Temperature Grade
COMMERCIAL
COMMERCIAL
Terminal Finish
TIN LEAD
Terminal Form
GULL WING
GULL WING
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
DUAL
DUAL
Width
7.5 mm
7.5 mm
Base Number Matches
2
1
Pbfree Code
Load Capacitance (CL)
50 pF
Packing Method
TR
Peak Reflow Temperature (Cel)
NOT SPECIFIED
Time@Peak Reflow Temperature-Max (s)
NOT SPECIFIED
Trigger Type
POSITIVE EDGE
Compare DM74AS640WM with alternatives
Compare SN74AS648DWRE4 with alternatives