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SN54LS190 Datasheet PDF - Motorola => Freescale

Part Name
Description
MFG CO.
Other PDF
  no available.
PDF
SN54LS190 Datasheet PDF : SN54LS190 pdf     
SN54LS190 image

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-stage counters. An Up/Down Count Control (U/D) input determines whether a circuit counts up or down. A Terminal Count (TC) output and a Ripple Clock (RC) output provide overflow/underflow indication and make possible a variety of methods for generating carry/borrow signals in multistage counter applications.

• Low Power . . . 90 mW Typical Dissipation
• High Speed . . . 25 MHz Typical Count Frequency
• Synchronous Counting
• Asynchronous Parallel Load
• Individual Preset Inputs
• Count Enable and Up/Down Control Inputs
• Cascadable
• Input Clamp Diodes Limit High Speed Termination Effects

 

Part Name
Description
PDF
MFG CO.
BCD DECADE COUNTERS / 4-BIT BINARY COUNTERS
ON Semiconductor
BCD DECADE COUNTERS/4-BIT BINARY COUNTERS
ON Semiconductor
BCD DECADE COUNTERS/4-BIT BINARY COUNTERS
ON Semiconductor
BCD DECADE COUNTERS/4-BIT BINARY COUNTERS
ON Semiconductor
BCD DECADE COUNTERS/4-BIT BINARY COUNTERS
ON Semiconductor
BCD Decade Counters/4−Bit Binary Counters
ON Semiconductor
PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
ON Semiconductor
PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER
ON Semiconductor
BCD DECADE COUNTERS/4-BIT BINARY COUNTERS
ON Semiconductor
8-STAGE PRESETTABLE SYNCHRONOUS 8 BIT BINARY DOWN COUNTERS
STMicroelectronics

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