SN74AS640DW
vs
SN74ALS648ADWE4
feature comparison
All Stats
Differences Only
Pbfree Code
Rohs Code
Part Life Cycle Code
Obsolete
Contact Manufacturer
Ihs Manufacturer
TEXAS INSTRUMENTS INC
ROCHESTER ELECTRONICS LLC
Part Package Code
SOIC
Package Description
GREEN, PLASTIC, SOP-20
SOP,
Pin Count
20
Reach Compliance Code
compliant
unknown
HTS Code
8542.39.00.01
8542.39.00.01
Additional Feature
WITH DIRECTION CONTROL
Control Type
COMMON CONTROL
ENABLE LOW
Count Direction
BIDIRECTIONAL
BIDIRECTIONAL
Family
AS
ALS
JESD-30 Code
R-PDSO-G20
R-PDSO-G24
Length
12.8 mm
15.4 mm
Load Capacitance (CL)
50 pF
50 pF
Logic IC Type
BUS TRANSCEIVER
REGISTERED BUS TRANSCEIVER
Max I(ol)
0.064 A
0.024 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
Packing Method
TUBE
Peak Reflow Temperature (Cel)
NOT SPECIFIED
Power Supply Current-Max (ICC)
123 mA
88 mA
Prop. Delay@Nom-Sup
7 ns
33 ns
Propagation Delay (tpd)
6 ns
33 ns
Qualification Status
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 Form
GULL WING
GULL WING
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
DUAL
DUAL
Time@Peak Reflow Temperature-Max (s)
NOT SPECIFIED
Width
7.5 mm
7.5 mm
Base Number Matches
2
2
Trigger Type
POSITIVE EDGE
Compare SN74AS640DW with alternatives
Compare SN74ALS648ADWE4 with alternatives