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产品型号54191J/B的Datasheet PDF文件预览

REI Datasheet  
SN54190, SN54191, SN54LS190, SN54LS191  
SN74190, SN74191, SN74LS190, SN74LS191  
Synchronous Up/Down Counters with Down/Up Mode Control  
The ‘190, ‘LS190, ‘191, and ‘LS191 are synchronous, reversible up/down counters having a  
complexity of 58 equivalent gates. The ‘191 and ‘LS191 are 4-bit binary counters and the ‘190  
and ‘LS190 are BCD counters. Synchronous operation is provided by having all flip-flops clocked  
simultaneously so that the outputs change coincident with each other when so instructed by the  
steering logic. This mode of operation eliminates the output counting spikes normally associated with  
asynchronous (ripple clock) counters.  
Quality Overview  
Rochester Electronics  
Manufactured Components  
ISO-9001  
AS9120 certification  
Qualified Manufacturers List (QML) MIL-PRF-38535  
Rochester branded components are  
manufactured using either die/wafers  
purchased from the original suppliers  
or Rochester wafers recreated from the  
original IP. All recreations are done with  
the approval of the OCM.  
Class Q Military  
Class V Space Level  
Qualified Suppliers List of Distributors (QSLD)  
Rochester is a critical supplier to DLA and  
meets all industry and DLA standards.  
Parts are tested using original factory  
test programs or Rochester developed  
test solutions to guarantee product  
meets or exceeds the OCM data sheet.  
RochesterElectronics, LLCiscommittedtosupplying  
products that satisfy customer expectations for  
quality and are equal to those originally supplied by  
industry manufacturers.  
The original manufacturer’s datasheet accompanying this document reflects the performance  
and specifications of the Rochester manufactured version of this device. Rochester Electronics  
guarantees the performance of its semiconductor products to the original OEM specifications.  
‘Typical’ values are for reference purposes only. Certain minimum or maximum ratings may be  
based on product characterization, design, simulation, or sample testing.  
© 2013 Rochester Electronics, LLC. All Rights Reserved 11252013  
To learn more, please visit www.rocelec.com  
SN54190, SN54191, SN54LS190, SN54LS191,  
SN74190, SN74191, SN74LS190, SN74LS191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
Copyright 1988, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54190, SN54191, SN54LS190, SN54LS191,  
SN74190, SN74191, SN74LS190, SN74LS191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
2
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54190, SN54LS190, SN74190, SN74LS190  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
3
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54191, SN54LS191, SN74191, SN74LS191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
4
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54190, SN54LS190, SN74190, SN74LS190  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
5
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54191, SN54LS191, SN74191, SN74LS191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
6
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54190, SN54191, SN54LS190, SN54LS191,  
SN74190, SN74191, SN74LS190, SN74LS191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
7
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54190, SN54191, SN74190, SN74191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
8
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54LS190, SN54LS191, SN74LS190, SN74LS191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
9
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54LS190, SN54LS191, SN74LS190, SN74LS191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
10  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54190, SN54191, SN54LS190, SN54LS191,  
SN74190, SN74191, SN74LS190, SN74LS191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
11  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54190, SN54191, SN54LS190, SN54LS191,  
SN74190, SN74191, SN74LS190, SN74LS191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
12  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
SN54190, SN54191, SN54LS190, SN54LS191,  
SN74190, SN74191, SN74LS190, SN74LS191  
SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL  
SDLS072 – DECEMBER 1972 – REVISED MARCH 1988  
13  
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  
IMPORTANT NOTICE  
Texas Instruments and its subsidiaries (TI) reserve the right to make changes to their products or to discontinue  
any product or service without notice, and advise customers to obtain the latest version of relevant information  
to verify, before placing orders, that information being relied on is current and complete. All products are sold  
subject to the terms and conditions of sale supplied at the time of order acknowledgement, including those  
pertaining to warranty, patent infringement, and limitation of liability.  
TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in  
accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent  
TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily  
performed, except those mandated by government requirements.  
CERTAIN APPLICATIONS USING SEMICONDUCTOR PRODUCTS MAY INVOLVE POTENTIAL RISKS OF  
DEATH, PERSONAL INJURY, OR SEVERE PROPERTY OR ENVIRONMENTAL DAMAGE (“CRITICAL  
APPLICATIONS”). TI SEMICONDUCTOR PRODUCTS ARE NOT DESIGNED, AUTHORIZED, OR  
WARRANTED TO BE SUITABLE FOR USE IN LIFE-SUPPORT DEVICES OR SYSTEMS OR OTHER  
CRITICAL APPLICATIONS. INCLUSION OF TI PRODUCTS IN SUCH APPLICATIONS IS UNDERSTOOD TO  
BE FULLY AT THE CUSTOMER’S RISK.  
In order to minimize risks associated with the customer’s applications, adequate design and operating  
safeguards must be provided by the customer to minimize inherent or procedural hazards.  
TI assumes no liability for applications assistance or customer product design. TI does not warrant or represent  
that any license, either express or implied, is granted under any patent right, copyright, mask work right, or other  
intellectual property right of TI covering or relating to any combination, machine, or process in which such  
semiconductor products or services might be or are used. TI’s publication of information regarding any third  
party’s products or services does not constitute TI’s approval, warranty or endorsement thereof.  
Copyright 1999, Texas Instruments Incorporated  
配单直通车
54191J/B产品参数
型号:54191J/B
生命周期:Active
IHS 制造商:ROCHESTER ELECTRONICS LLC
包装说明:,
Reach Compliance Code:unknown
风险等级:5.72
逻辑集成电路类型:DECADE COUNTER
Base Number Matches:1
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