Datasheets
MM74HC191J by:

IC HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16, CERAMIC, DIP-16, Counter

Part Details for MM74HC191J by National Semiconductor Corporation

Overview of MM74HC191J by National Semiconductor Corporation

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Applications Education and Research Space Technology Internet of Things (IoT) Computing and Data Storage Aerospace and Defense Healthcare Telecommunications Automotive

Price & Stock for MM74HC191J

Part # Distributor Description Stock Price Buy
DISTI # 2156-MM74HC191J-ND
DigiKey IC BINARY COUNTER 4-BIT 16CDIP Min Qty: 84 Lead time: 1 Weeks Container: Bulk MARKETPLACE PRODUCT 591
In Stock
  • 84 $3.6100
$3.6100 Buy Now
Rochester Electronics Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CDIP16 ' RoHS: Not Compliant Status: Obsolete Min Qty: 1 591
  • 1 $3.6400
  • 25 $3.5700
  • 100 $3.4200
  • 500 $3.2800
  • 1,000 $3.0900
$3.0900 / $3.6400 Buy Now

Part Details for MM74HC191J

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MM74HC191J Part Data Attributes:

MM74HC191J National Semiconductor Corporation
Buy Now Datasheet
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MM74HC191J National Semiconductor Corporation IC HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16, CERAMIC, DIP-16, Counter
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP
Package Description DIP, DIP16,.3
Reach Compliance Code unknown
HTS Code 8542.39.00.01
Additional Feature TCO OUTPUT
Count Direction BIDIRECTIONAL
Family HC/UH
JESD-30 Code R-GDIP-T16
JESD-609 Code e0
Length 19.43 mm
Load Capacitance (CL) 50 pF
Load/Preset Input YES
Logic IC Type BINARY COUNTER
Max Frequency@Nom-Sup 16000000 Hz
Max I(ol) 0.004 A
Mode of Operation SYNCHRONOUS
Number of Bits 4
Number of Functions 1
Number of Terminals 16
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Package Body Material CERAMIC, GLASS-SEALED
Package Code DIP
Package Equivalence Code DIP16,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Propagation Delay (tpd) 55 ns
Qualification Status Not Qualified
Seated Height-Max 5.08 mm
Supply Voltage-Max (Vsup) 6 V
Supply Voltage-Min (Vsup) 2 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount NO
Technology CMOS
Temperature Grade INDUSTRIAL
Terminal Finish TIN LEAD
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Trigger Type POSITIVE EDGE
Width 7.62 mm
fmax-Min 15 MHz

Alternate Parts for MM74HC191J

This table gives cross-reference parts and alternative options found for MM74HC191J. 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 MM74HC191J, 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
CD54HC191F Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, CDIP16, Harris Semiconductor MM74HC191J vs CD54HC191F
CD74HC191E Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, PDIP16, Rochester Electronics LLC MM74HC191J vs CD74HC191E
5962-8689101EA Synchronous 4-Bit Up/Down Binary Counters 16-CDIP -55 to 125 Texas Instruments MM74HC191J vs 5962-8689101EA
CD74HC191EX Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, PDIP16, Harris Semiconductor MM74HC191J vs CD74HC191EX
SN54HC191J Synchronous 4-Bit Up/Down Binary Counters 16-CDIP -55 to 125 Texas Instruments MM74HC191J vs SN54HC191J
SN74HC191J4 Binary Counter, Rochester Electronics LLC MM74HC191J vs SN74HC191J4
5962-8689101EA Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, CDIP16, FRIT SEALED, CERDIP-16 Harris Semiconductor MM74HC191J vs 5962-8689101EA
MC74HC191NDS Decade Counter, Rochester Electronics LLC MM74HC191J vs MC74HC191NDS
CD74HC191EE4 High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counters 16-PDIP -55 to 125 Texas Instruments MM74HC191J vs CD74HC191EE4
MC74HC191JS Decade Counter, Rochester Electronics LLC MM74HC191J vs MC74HC191JS
Part Number Description Manufacturer Compare
SN54HC191J Synchronous 4-Bit Up/Down Binary Counters 16-CDIP -55 to 125 Texas Instruments MM74HC191J vs SN54HC191J
MM74HC191N HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16, PLASTIC, DIP-16 Texas Instruments MM74HC191J vs MM74HC191N
GD74HC191 Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, PDIP16, Goldstar Electron Co Ltd MM74HC191J vs GD74HC191
SN74HC191NP1 Binary Counter, Rochester Electronics LLC MM74HC191J vs SN74HC191NP1
CD74HC191E High Speed CMOS Logic Presettable Synchronous 4-Bit Binary Up/Down Counters 16-PDIP -55 to 125 Texas Instruments MM74HC191J vs CD74HC191E
74HC191N,652 74HC(T)191 - Presettable synchronous 4-bit binary up/down counter DIP 16-Pin NXP Semiconductors MM74HC191J vs 74HC191N,652
SNJ54HC191J-00 HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, CDIP16 Texas Instruments MM74HC191J vs SNJ54HC191J-00
CD54HC191F/3 Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, CDIP16, CERAMIC, DIP-16 Harris Semiconductor MM74HC191J vs CD54HC191F/3
GD54HC191 Binary Counter, HC/UH Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional, CMOS, PDIP16, Goldstar Electron Co Ltd MM74HC191J vs GD54HC191
M74HC191B1R HC/UH SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDIP16, PLASTIC, DIP-16 STMicroelectronics MM74HC191J vs M74HC191B1R

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