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74AHCT157PW-T

Description
Encoders, Decoders, Multiplexers & Demultiplexers QUAD2-MULTIPLEXER
Categorylogic    logic   
File Size92KB,17 Pages
ManufacturerNXP
Websitehttps://www.nxp.com
Environmental Compliance
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74AHCT157PW-T Overview

Encoders, Decoders, Multiplexers & Demultiplexers QUAD2-MULTIPLEXER

74AHCT157PW-T Parametric

Parameter NameAttribute value
Source Url Status Check Date2013-06-14 00:00:00
Is it Rohs certified?conform to
MakerNXP
Parts packaging codeTSSOP
package instructionTSSOP,
Contacts16
Reach Compliance Codeunknown
seriesAHCT/VHCT/VT
JESD-30 codeR-PDSO-G16
JESD-609 codee4
length5 mm
Logic integrated circuit typeMULTIPLEXER
Humidity sensitivity level1
Number of functions4
Number of entries2
Output times1
Number of terminals16
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
propagation delay (tpd)13 ns
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceNICKEL PALLADIUM GOLD
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width4.4 mm
Base Number Matches1
74AHC157; 74AHCT157
Quad 2-input multiplexer
Rev. 02 — 9 November 2007
Product data sheet
1. General description
The 74AHC/AHCT157 are high-speed Si-gate CMOS devices and are pin compatible with
Low Power Schottky TTL (LSTTL). They are specified in compliance with JEDEC
standard no. 7A.
The 74AHC/AHCT157 are quad 2-input multiplexer which select 4 bits of data from two
sources under the control of a common data select input (S). The enable input (E) is
active LOW. When E is HIGH, all of the outputs (1Y to 4Y) are forced LOW regardless of
all other input conditions.
Moving the data from two groups of registers to four common output buses is a common
use of the 74AHC/AHCT157. The state of the common data select input (S) determines
the particular register from which the data comes. It can also be used as function
generator. The device is useful for implementing highly irregular logic by generating any
four of the 16 different functions of two variables with one variable common. The
74AHC/AHCT157 is logic implementation of a 4-pole, 2-position switch, where the
position of the switch is determine by the logic levels applied to S.
The logic equations are:
1Y = E
×
(1I1
×
S + 1I0
×
S)
2Y = E
×
(2I1
×
S + 2I0
×
S)
3Y = E
×
(3I1
×
S + 3I0
×
S)
4Y = E
×
(4I1
×
S + 4I0
×
S)
The 74AHC/AHCT157 is identical to the 74AHC/AHCT158 but has non-inverting (true)
outputs.
2. Features
s
s
s
s
s
s
s
s
Balanced propagation delays
All inputs have a Schmitt-trigger action
Inputs accepts voltages higher than V
CC
Multiple input enable for easy expansion
Ideal for memory chip select decoding
For 74AHC157 only: operates with CMOS input levels
For 74AHCT157 only: operates with TTL input levels
ESD protection:
x
HBM JESD22-A114E exceeds 2000 V
x
MM JESD22-A115-A exceeds 200 V
x
CDM JESD22-C101C exceeds 1000 V

74AHCT157PW-T Related Products

74AHCT157PW-T 74AHCT157D112 74AHCT157D-T 74AHC157D-T 74AHC157PW
Description Encoders, Decoders, Multiplexers & Demultiplexers QUAD2-MULTIPLEXER Encoders, Decoders, Multiplexers & Demultiplexers QUAD 2-MULTIPLEXER Encoders, Decoders, Multiplexers & Demultiplexers QUAD 2-MULTIPLEXER Encoders, Decoders, Multiplexers & Demultiplexers QUAD 2-MULTIPLEXER Encoders, Decoders, Multiplexers & Demultiplexers QUAD 2-MULTIPLEXER
Source Url Status Check Date 2013-06-14 00:00:00 - 2013-06-14 00:00:00 2013-06-14 00:00:00 -
Is it Rohs certified? conform to - conform to conform to conform to
Maker NXP - NXP NXP NXP
Parts packaging code TSSOP - SOIC SOIC TSSOP
package instruction TSSOP, - SOP, SOP, 4.40 MM, PLASTIC, MO-153, SOT403-1, TSSOP-16
Contacts 16 - 16 16 16
Reach Compliance Code unknown - unknown unknown unknown
series AHCT/VHCT/VT - AHCT/VHCT/VT AHC/VHC/H/U/V AHC/VHC/H/U/V
JESD-30 code R-PDSO-G16 - R-PDSO-G16 R-PDSO-G16 R-PDSO-G16
JESD-609 code e4 - e4 e4 e4
length 5 mm - 9.9 mm 9.9 mm 5 mm
Logic integrated circuit type MULTIPLEXER - MULTIPLEXER MULTIPLEXER MULTIPLEXER
Humidity sensitivity level 1 - 1 1 1
Number of functions 4 - 4 4 4
Number of entries 2 - 2 2 2
Output times 1 - 1 1 1
Number of terminals 16 - 16 16 16
Maximum operating temperature 125 °C - 125 °C 125 °C 125 °C
Minimum operating temperature -40 °C - -40 °C -40 °C -40 °C
Output polarity TRUE - TRUE TRUE TRUE
Package body material PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code TSSOP - SOP SOP TSSOP
Package shape RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, THIN PROFILE, SHRINK PITCH - SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 260 - NOT SPECIFIED 260 260
propagation delay (tpd) 13 ns - 13 ns 21.5 ns 21.5 ns
Certification status Not Qualified - Not Qualified Not Qualified Not Qualified
Maximum seat height 1.1 mm - 1.75 mm 1.75 mm 1.1 mm
Maximum supply voltage (Vsup) 5.5 V - 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 4.5 V - 4.5 V 2 V 2 V
Nominal supply voltage (Vsup) 5 V - 5 V 5 V 5 V
surface mount YES - YES YES YES
technology CMOS - CMOS CMOS CMOS
Temperature level AUTOMOTIVE - AUTOMOTIVE AUTOMOTIVE AUTOMOTIVE
Terminal surface NICKEL PALLADIUM GOLD - Nickel/Palladium/Gold (Ni/Pd/Au) NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD
Terminal form GULL WING - GULL WING GULL WING GULL WING
Terminal pitch 0.65 mm - 1.27 mm 1.27 mm 0.65 mm
Terminal location DUAL - DUAL DUAL DUAL
Maximum time at peak reflow temperature 30 - NOT SPECIFIED 30 30
width 4.4 mm - 3.9 mm 3.9 mm 4.4 mm
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