Datasheets
DM74LS191MX by:

Binary Counter, Synchronous, Bidirectional, TTL, PDSO16,

Part Details for DM74LS191MX by Fairchild Semiconductor Corporation

Overview of DM74LS191MX by Fairchild Semiconductor Corporation

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Applications Education and Research Space Technology Aerospace and Defense Automotive

Price & Stock for DM74LS191MX

Part # Distributor Description Stock Price Buy
DISTI # 2156-DM74LS191MX-ND
DigiKey IC BINARY COUNTER 4-BIT 16SOIC Min Qty: 1025 Lead time: 1 Weeks Container: Bulk MARKETPLACE PRODUCT 6428
In Stock
  • 1,025 $0.2900
$0.2900 Buy Now
Rochester Electronics Binary Counter, Synchronous, Bidirectional, TTL, PDSO16 ' RoHS: Not Compliant Status: Obsolete Min Qty: 1 6428
  • 1 $0.2958
  • 25 $0.2899
  • 100 $0.2781
  • 500 $0.2662
  • 1,000 $0.2514
$0.2514 / $0.2958 Buy Now

Part Details for DM74LS191MX

DM74LS191MX CAD Models

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DM74LS191MX Part Data Attributes:

DM74LS191MX Fairchild Semiconductor Corporation
Buy Now Datasheet
Compare Parts:
DM74LS191MX Fairchild Semiconductor Corporation Binary Counter, Synchronous, Bidirectional, TTL, PDSO16,
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer FAIRCHILD SEMICONDUCTOR CORP
Package Description SOP, SOP16,.25
Reach Compliance Code unknown
HTS Code 8542.39.00.01
Count Direction BIDIRECTIONAL
Family LS
JESD-30 Code R-PDSO-G16
JESD-609 Code e0
Load/Preset Input YES
Logic IC Type BINARY COUNTER
Max Frequency@Nom-Sup 20000000 Hz
Max I(ol) 0.008 A
Mode of Operation SYNCHRONOUS
Number of Bits 4
Number of Functions 1
Number of Terminals 16
Operating Temperature-Max 70 °C
Operating Temperature-Min
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP16,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TR
Power Supply Current-Max (ICC) 35 mA
Propagation Delay (tpd) 45 ns
Qualification Status Not Qualified
Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology TTL
Temperature Grade COMMERCIAL
Terminal Finish Tin/Lead (Sn/Pb)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Trigger Type POSITIVE EDGE

Alternate Parts for DM74LS191MX

This table gives cross-reference parts and alternative options found for DM74LS191MX. 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 DM74LS191MX, 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
SN74LS191DRE4 LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16, SOP-16 Texas Instruments DM74LS191MX vs SN74LS191DRE4
DM74LS191M LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16, PLASTIC, SOP-16 Texas Instruments DM74LS191MX vs DM74LS191M
SN74LS191D Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control 16-SOIC 0 to 70 Texas Instruments DM74LS191MX vs SN74LS191D
SN74LS191DR Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control 16-SOIC 0 to 70 Texas Instruments DM74LS191MX vs SN74LS191DR
SN74LS191DG4 LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16, SOP-16 Texas Instruments DM74LS191MX vs SN74LS191DG4
DM74LS191M IC LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16, PLASTIC, SOP-16, Counter National Semiconductor Corporation DM74LS191MX vs DM74LS191M
Part Number Description Manufacturer Compare
N74LS191N IC LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16, PLASTIC, DIP-16, Counter NXP Semiconductors DM74LS191MX vs N74LS191N
M38510/31509B2C Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, CQCC20, CERAMIC, LCC-20 Lansdale Semiconductor Inc DM74LS191MX vs M38510/31509B2C
T74LS191B1 LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16, PLASTIC, DIP-16 STMicroelectronics DM74LS191MX vs T74LS191B1
SN74LS191JDS LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16, CERAMIC, DIP-16 Motorola Mobility LLC DM74LS191MX vs SN74LS191JDS
M38510/31509B2A Synchronous Up/Down Counters With Down/Up Mode Control 20-LCCC -55 to 125 Texas Instruments DM74LS191MX vs M38510/31509B2A
SN74LS191DR Synchronous 4-Bit Up/Down Counters With Up/Down Mode Control 16-SOIC 0 to 70 Texas Instruments DM74LS191MX vs SN74LS191DR
M38510/31509B2A Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, CQCC20, CERAMIC, LCC-20 Lansdale Semiconductor Inc DM74LS191MX vs M38510/31509B2A
S54LS191F LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16, CERAMIC, DIP-16 Philips Semiconductors DM74LS191MX vs S54LS191F
GD54LS191J Binary Counter, LS Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, TTL, CDIP16, Goldstar Electron Co Ltd DM74LS191MX vs GD54LS191J
54LS191/BEAJC LS SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16, CERDIP-16 Motorola Mobility LLC DM74LS191MX vs 54LS191/BEAJC

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