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MC74F569 - (MC74F568 / MC74F569) 4-BIT BIDIRECTIONAL COUNTERS(WITH 3-STATE OUTPUTS)

Download the MC74F569 datasheet PDF. This datasheet also covers the MC74F568 variant, as both devices belong to the same (mc74f568 / mc74f569) 4-bit bidirectional counters(with 3-state outputs) family and are provided as variant models within a single manufacturer datasheet.

General Description

The F568 counts modulo-10 in the BCD (8421) sequence.

From state 9 (HLLH) it will increment to 0 (LLLL) in the Up mode; in Down mode it will decrement from 0 to 9.The F569 counts in the modulo-16 binary sequence.

Key Features

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  • 55 to + 125°C VCC = 5.0 V ± 10% CL = 50 pF Min 60 3.0 4.0 5.5 4.0 2.5 2.5 3.5 4.0 3.5 4.0 2.5 2.0 2.5 4.0 5.0 2.5 3.0 1.5.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (MC74F568_Motorola.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Motorola Semiconductor (now NXP Semiconductors)

Part Number Description
MC74F568 (MC74F568 / MC74F569) 4-BIT BIDIRECTIONAL COUNTERS(WITH 3-STATE OUTPUTS)
MC74F51 DUAL 2-WIDE 2-INPUT / 2-WIDE 3-INPUT AND-OR-INVERT GATE FASTE SCHOTTKY TTL
MC74F521 8-BIT IDENTITY COMPARATOR
MC74F533 OCTAL TRANSPARENT LATCH WITH 3-STATE OUTPUTS
MC74F534 OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
4-BIT BIDIRECTIONAL COUNTERS (WITH 3-STATE OUTPUTS) The MC54/ 74F568 and MC54/74F569 are fully synchronous, reversible counters with 3-state outputs. The F568 is a BCD decade counter; the F569 is a binary counter. They feature preset capability for programmable operation, carry lookahead for easy cascading, and a U/D input to control the direction of counting. For maximum flexibility there are both synchronous and master asynchronous reset inputs as well as both Clocked Carry (CC) and Terminal Count (TC) outputs. All state changes except Master Reset are initiated by the rising edge of the clock. A HIGH signal on the Output Enable (OE) input forces the output buffers into the high impedance state but does not prevent counting, resetting or parallel loading.