SN74LS642-1DW
vs
SN74ALS642A-1DWRG4
feature comparison
All Stats
Differences Only
Pbfree Code
Yes
Rohs Code
Yes
Yes
Part Life Cycle Code
Active
Obsolete
Ihs Manufacturer
ROCHESTER ELECTRONICS INC
TEXAS INSTRUMENTS INC
Part Package Code
SOIC
SOIC
Package Description
SOP,
SOP, SOP20,.4
Pin Count
20
20
Reach Compliance Code
unknown
unknown
Additional Feature
WITH DIRECTION CONTROL
WITH DIRECTION CONTROL
Family
LS
ALS
JESD-30 Code
R-PDSO-G20
R-PDSO-G20
JESD-609 Code
e4
Length
12.8 mm
12.8 mm
Logic IC Type
BUS TRANSCEIVER
BUS TRANSCEIVER
Moisture Sensitivity Level
1
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
70 °C
Operating Temperature-Min
Output Characteristics
OPEN-COLLECTOR
OPEN-COLLECTOR
Output Polarity
INVERTED
INVERTED
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
SOP
SOP
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
SMALL OUTLINE
SMALL OUTLINE
Peak Reflow Temperature (Cel)
260
NOT SPECIFIED
Propagation Delay (tpd)
25 ns
22 ns
Seated Height-Max
2.65 mm
2.65 mm
Supply Voltage-Max (Vsup)
5.25 V
5.5 V
Supply Voltage-Min (Vsup)
4.75 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
NICKEL PALLADIUM GOLD
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
NOT SPECIFIED
Width
7.5 mm
7.5 mm
Base Number Matches
2
1
HTS Code
8542.39.00.01
Control Type
COMMON CONTROL
Count Direction
BIDIRECTIONAL
Max I(ol)
0.048 A
Package Equivalence Code
SOP20,.4
Packing Method
TR
Power Supply Current-Max (ICC)
28 mA
Prop. Delay@Nom-Sup
30 ns
Qualification Status
Not Qualified
Compare SN74LS642-1DW with alternatives
Compare SN74ALS642A-1DWRG4 with alternatives