Logic
54LS279LMQB
Description: R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, CQCC20, CERAMIC, LCC-20

Overview of 54LS279LMQB by Fairchild Semiconductor Corporation

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Part Data Attributes for 54LS279LMQB by Fairchild Semiconductor Corporation

54LS279LMQB
Fairchild Semiconductor Corporation
-
-
Rohs Code
No
Part Life Cycle Code
Obsolete
Ihs Manufacturer
FAIRCHILD SEMICONDUCTOR CORP
Part Package Code
QLCC
Package Description
CERAMIC, LCC-20
Pin Count
20
Reach Compliance Code
compliant
HTS Code
8542.39.00.01
Additional Feature
WITH DUAL S INPUT FOR TWO FUNCTIONS
Family
LS
JESD-30 Code
S-CQCC-N20
JESD-609 Code
e0
Length
8.89 mm
Logic IC Type
R-S LATCH
Max I(ol)
0.004 A
Number of Bits
2
Number of Functions
4
Number of Terminals
20
Operating Temperature-Max
125 °C
Operating Temperature-Min
-55 °C
Output Polarity
TRUE
Package Body Material
CERAMIC, METAL-SEALED COFIRED
Package Code
QCCN
Package Equivalence Code
LCC20,.35SQ
Package Shape
SQUARE
Package Style
CHIP CARRIER
Power Supply Current-Max (ICC)
7 mA
Prop. Delay@Nom-Sup
27 ns
Propagation Delay (tpd)
33 ns
Qualification Status
Not Qualified
Screening Level
MIL-STD-883 Class B
Seated Height-Max
1.905 mm
Supply Voltage-Max (Vsup)
5.5 V
Supply Voltage-Min (Vsup)
4.5 V
Supply Voltage-Nom (Vsup)
5 V
Surface Mount
YES
Technology
TTL
Temperature Grade
MILITARY
Terminal Finish
TIN LEAD
Terminal Form
NO LEAD
Terminal Pitch
1.27 mm
Terminal Position
QUAD
Trigger Type
LOW LEVEL
Width
8.89 mm
Want to compare parts?
  1. 54LS279LMQB
    Fairchild Semiconductor Corporation
    R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, CQCC20, CERAMIC, LCC-20
    VS

Alternate Parts for 54LS279LMQB

This table gives cross-reference parts and alternative options found for 54LS279LMQB. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 54LS279LMQB, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
Part Number Description Manufacturer Compare
54LS279/B2AJC R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, CQCC20, CERAMIC, LCC-20 Motorola Semiconductor Products 54LS279LMQB vs 54LS279/B2AJC
76018012X LS SERIES, QUAD LOW LEVEL TRIGGERED R-S LATCH, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20 Texas Instruments 54LS279LMQB vs 76018012X
M38510/31602B2A LS SERIES, NEGATIVE EDGE TRIGGERED R-S LATCH, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20 Motorola Mobility LLC 54LS279LMQB vs M38510/31602B2A
M38510/31602B2X R-S Latch, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, True Output, TTL, CQCC20, CERAMIC, LCC-20 QP Semiconductor 54LS279LMQB vs M38510/31602B2X
M38510/31602B2A LS SERIES, NEGATIVE EDGE TRIGGERED R-S LATCH, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20 Texas Instruments 54LS279LMQB vs M38510/31602B2A
M38510/31602B2X LS SERIES, NEGATIVE EDGE TRIGGERED R-S LATCH, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20 Texas Instruments 54LS279LMQB vs M38510/31602B2X
M38510/31602B2X R-S Latch, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, True Output, TTL, CQCC20, CERAMIC, LCC-20 Teledyne e2v 54LS279LMQB vs M38510/31602B2X
JM38510/31602B2A R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, CQCC20, CERAMIC, LCC-20 Motorola Semiconductor Products 54LS279LMQB vs JM38510/31602B2A
76018012A D Flip-Flop, ACT Series, 1-Func, Positive Edge Triggered, 4-Bit, True Output, CMOS, CQCC20 Motorola Semiconductor Products 54LS279LMQB vs 76018012A
SN54LS279AFK LS SERIES, QUAD LOW LEVEL TRIGGERED R-S LATCH, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20 Texas Instruments 54LS279LMQB vs SN54LS279AFK
Part Number Description Manufacturer Compare
S54279F TTL/H/L SERIES, QUAD LOW LEVEL TRIGGERED R-S LATCH, TRUE OUTPUT, CDIP16 Philips Semiconductors 54LS279LMQB vs S54279F
JM38510/31602BFA LS SERIES, QUAD LOW LEVEL TRIGGERED R-S LATCH, TRUE OUTPUT, CDFP16, CERAMIC, FP-16 Motorola Mobility LLC 54LS279LMQB vs JM38510/31602BFA
SN74LS279AN3 R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, PDIP16, PLASTIC, DIP-16 Rochester Electronics LLC 54LS279LMQB vs SN74LS279AN3
SNJ54LS279AFK Quadruple /S-/R Latches 20-LCCC -55 to 125 Texas Instruments 54LS279LMQB vs SNJ54LS279AFK
M38510/31602BFA R-S Latch, LS Series, 1-Func, Negative Edge Triggered, 2-Bit, True Output, TTL, CDFP16, CERAMIC, FP-16 QP Semiconductor 54LS279LMQB vs M38510/31602BFA
JM38510/31602B2A LS SERIES, QUAD LOW LEVEL TRIGGERED R-S LATCH, TRUE OUTPUT, CQCC20, CERAMIC, LCC-20 Texas Instruments 54LS279LMQB vs JM38510/31602B2A
SN54LS279JD R-S Latch, LS Series, 4-Func, Low Level Triggered, 2-Bit, True Output, TTL, CDIP16, CERAMIC, DIP-16 Motorola Semiconductor Products 54LS279LMQB vs SN54LS279JD
JM38510/31602BEA LS SERIES, QUAD LOW LEVEL TRIGGERED R-S LATCH, TRUE OUTPUT, CDIP16, CERDIP-16 Motorola Mobility LLC 54LS279LMQB vs JM38510/31602BEA
SN74LS279N LS SERIES, QUAD LOW LEVEL TRIGGERED R-S LATCH, TRUE OUTPUT, PDIP16, 648-08 Motorola Mobility LLC 54LS279LMQB vs SN74LS279N
SN74LS279AN3 Quad /S-/R latches 16-PDIP 0 to 70 Texas Instruments 54LS279LMQB vs SN74LS279AN3

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