SN54ALS257AFK
vs
SN74HCT257DE4
feature comparison
All Stats
Differences Only
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
TEXAS INSTRUMENTS INC
TEXAS INSTRUMENTS INC
Part Package Code
QLCC
SOIC
Package Description
QCCN,
GREEN, PLASTIC, SOIC-16
Pin Count
20
16
Reach Compliance Code
unknown
unknown
HTS Code
8542.39.00.01
8542.39.00.01
Family
ALS
HCT
JESD-30 Code
S-CQCC-N20
R-PDSO-G16
Length
8.89 mm
9.9 mm
Load Capacitance (CL)
50 pF
50 pF
Logic IC Type
MULTIPLEXER
MULTIPLEXER
Max I(ol)
0.012 A
0.006 A
Number of Functions
4
4
Number of Inputs
2
2
Number of Outputs
1
1
Number of Terminals
20
16
Operating Temperature-Max
125 °C
85 °C
Operating Temperature-Min
-55 °C
-40 °C
Output Characteristics
3-STATE
3-STATE
Output Polarity
TRUE
TRUE
Package Body Material
CERAMIC, METAL-SEALED COFIRED
PLASTIC/EPOXY
Package Code
QCCN
SOP
Package Equivalence Code
LCC20,.35SQ
SOP16,.25
Package Shape
SQUARE
RECTANGULAR
Package Style
CHIP CARRIER
SMALL OUTLINE
Power Supply Current-Max (ICC)
14 mA
Prop. Delay@Nom-Sup
14 ns
38 ns
Propagation Delay (tpd)
14 ns
48 ns
Qualification Status
Not Qualified
Not Qualified
Seated Height-Max
2.03 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
MILITARY
INDUSTRIAL
Terminal Form
NO LEAD
GULL WING
Terminal Pitch
1.27 mm
1.27 mm
Terminal Position
QUAD
DUAL
Width
8.89 mm
3.9 mm
Base Number Matches
1
1
Pbfree Code
Rohs Code
JESD-609 Code
e4
Moisture Sensitivity Level
1
Packing Method
TUBE
Peak Reflow Temperature (Cel)
260
Terminal Finish
NICKEL PALLADIUM GOLD
Time@Peak Reflow Temperature-Max (s)
30
Compare SN54ALS257AFK with alternatives
Compare SN74HCT257DE4 with alternatives