SN74ALS257AD
vs
SN74AHCT257D
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
TEXAS INSTRUMENTS INC
TEXAS INSTRUMENTS INC
Part Package Code
SOIC
SOIC
Package Description
GREEN, PLASTIC, SOIC-16
SOP, SOP16,.25
Pin Count
16
16
Reach Compliance Code
compliant
not_compliant
ECCN Code
EAR99
HTS Code
8542.39.00.01
8542.39.00.01
Samacsys Manufacturer
Texas Instruments
Family
ALS
AHC
JESD-30 Code
R-PDSO-G16
R-PDSO-G16
JESD-609 Code
e4
Length
9.9 mm
9.9 mm
Load Capacitance (CL)
50 pF
50 pF
Logic IC Type
MULTIPLEXER
MULTIPLEXER
Max I(ol)
0.024 A
0.008 A
Moisture Sensitivity Level
1
Number of Bits
2
Number of Functions
4
4
Number of Inputs
2
2
Number of Outputs
1
1
Number of Terminals
16
16
Operating Temperature-Max
70 °C
85 °C
Operating Temperature-Min
-40 °C
Output Characteristics
3-STATE
3-STATE
Output Polarity
TRUE
TRUE
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
SOP
SOP
Package Equivalence Code
SOP16,.25
SOP16,.25
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
SMALL OUTLINE
SMALL OUTLINE
Packing Method
TUBE
Peak Reflow Temperature (Cel)
260
NOT SPECIFIED
Power Supply Current-Max (ICC)
12 mA
Prop. Delay@Nom-Sup
12 ns
Propagation Delay (tpd)
12 ns
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
1.75 mm
1.75 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
CMOS
Temperature Grade
COMMERCIAL
INDUSTRIAL
Terminal Finish
Nickel/Palladium/Gold (Ni/Pd/Au)
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
3.9 mm
3.9 mm
Base Number Matches
1
1
Compare SN74ALS257AD with alternatives
Compare SN74AHCT257D with alternatives