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SN74LS169 - BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS

Download the SN74LS169 datasheet PDF. This datasheet also covers the SN74LS168D variant, as both devices belong to the same bcd decade/modulo 16 binary synchronous bi-directional counters family and are provided as variant models within a single manufacturer datasheet.

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Note: The manufacturer provides a single datasheet file (SN74LS168D_MotorolaInc.pdf) that lists specifications for multiple related part numbers.

📁 Similar Datasheet

Part Number Description Manufacturer
SN74LS169B SYNCHRONOUS 4-BIT UP/DOWN BINARY COUNTERS Texas Instruments
SN74LS16 HEX INVERTER BUFFERS/DRIVERS Texas Instruments
SN74LS160A SYNCHRONOUS 4-BIT COUNTERS Texas Instruments
SN74LS160A BCD DECADE COUNTERS / 4-BIT BINARY COUNTERS ON Semiconductor
SN74LS161A SYNCHRONOUS 4-BIT COUNTERS Texas Instruments

Other Datasheets by Motorola Semiconductor (now NXP Semiconductors)

Part Number Description
SN74LS160A BCD DECADE COUNTERS / 4-BIT BINARY COUNTERS
SN74LS161A BCD DECADE COUNTERS / 4-BIT BINARY COUNTERS
SN74LS162A BCD DECADE COUNTERS / 4-BIT BINARY COUNTERS
SN74LS163A BCD DECADE COUNTERS / 4-BIT BINARY COUNTERS
SN74LS164 SERIAL-IN PARALLEL-OUT SHIFT REGISTER

Full PDF Text Transcription

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BCD DECADE/MODULO 16 BINARY SYNCHRONOUS BI-DIRECTIONAL COUNTERS The SN54 / 74LS168 and SN54 / 74LS169 are fully synchronous 4-stage up/down counters featuring a preset capability for programmable operation, carry lookahead for easy cascading and a U/ D input to control the direction of counting. The SN54 / 74LS168 counts in a BCD decade (8, 4, 2, 1) sequence, while the SN54 / 74LS169 operates in a Modulo 16 binary sequence. All state changes, whether in counting or parallel loading, are initiated by the LOW-to-HIGH transition of the clock.
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