SN74ALS642ADW
vs
SN74LS642-1DW
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Active
Ihs Manufacturer
ROCHESTER ELECTRONICS LLC
ROCHESTER ELECTRONICS INC
Part Package Code
SOIC
SOIC
Package Description
PLASTIC, SO-20
SOP,
Pin Count
20
20
Reach Compliance Code
unknown
unknown
Additional Feature
WITH DIRECTION CONTROL
WITH DIRECTION CONTROL
Family
ALS
LS
JESD-30 Code
R-PDSO-G20
R-PDSO-G20
JESD-609 Code
e0
e4
Length
12.8 mm
12.8 mm
Logic IC Type
BUS TRANSCEIVER
BUS TRANSCEIVER
Moisture Sensitivity Level
NOT SPECIFIED
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)
NOT SPECIFIED
260
Propagation Delay (tpd)
22 ns
25 ns
Seated Height-Max
2.65 mm
2.65 mm
Supply Voltage-Max (Vsup)
5.5 V
5.25 V
Supply Voltage-Min (Vsup)
4.5 V
4.75 V
Supply Voltage-Nom (Vsup)
5 V
5 V
Surface Mount
YES
YES
Technology
TTL
TTL
Temperature Grade
COMMERCIAL
COMMERCIAL
Terminal Finish
TIN LEAD
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
1
2
Pbfree Code
Compare SN74ALS642ADW with alternatives
Compare SN74LS642-1DW with alternatives