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SN54LS190 COUNTERS Datasheet PDFUP/DOWN COUNTERS |
| Part Number | SN54LS190 |
|---|---|
| Description | SYNCHRONOUS UP/DOWN COUNTERS |
| Feature | SN54190, SN54191, SN54LS190, SN54LS191, SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP/DOWN COUNTERS WITH DOWN/UP MODE CONTROL SDLS072 – DECEMBER 1972 – REVISED MARCH 1988 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. •POST OFFICE BOX 655303 DALLAS, TEXAS 75265 Copyright © 1988, Texas Instruments Incorporated 1 SN54190, SN54191, SN54LS190, SN54LS191, SN74190, SN74191, SN74LS190, SN74LS191 SYNCHRONOUS UP. |
| Manufacture | Texas Instruments |
| Datasheet |
| Part Number | SN54LS190 |
|---|---|
| Description | PRESETTABLE BCD/DECADE UP/DOWN COUNTER |
| Feature | PRESETTABLE BCD/DECADE UP/DOWN COUNTERS PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Counter and the SN54/ 74LS191 is a synchronous UP / DOWN Modulo-16 Binary Counter. State changes of the counters are synchronous with the LOW-to-HIGH transition of the Clock Pulse input. An asynchronous Parallel Load (PL) input overrides counting and loads the data present on the Pn inputs into the flip-flops, which makes it possible to use the circuits as programmable counters. A Count Enable (CE) input serves as the carry / borrow input in multi-sta. |
| Manufacture | Motorola Inc |
| Datasheet |
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