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SN54LS190 Datasheet PRESETTABLE BCD/DECADE UP/DOWN COUNTER

Manufacturer: Motorola Semiconductor (now NXP Semiconductors)

Overview

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 /.

Key Features

  • e Min 25 35 20 5.0 40 Typ Max Unit ns ns ns ns ns VCC = 5.0 V Test Conditions.