Product Summary

The MC146823P is a CMOS parallel interface. It provides a universal means of interfacing external signals with the MC146805E2 CMOS microprocessor and other multiplexed bus microprocessors. The MCI146823P CPI includes three bidirectional 8-bit ports or 24 I/O pins.

Parametrics

MC146823P absolute maximum ratings: (1)supply voltage, VDD: -0.3 to 8.0V; (2)all input voltages, VIN: VSS-0.5 to VDD+0.5V; (3)current drain per pin excluding VDD and VSS, I: 10mA; (4)operating temperature range, TA: 0 to 70℃; (5)storage temperature range, Tstg: -55 to 150℃.

Features

MC146823P features: (1)24 individually programmed I/O pins; (2)MOTEL circuit for bus compatibility with many microprocessros; (3)15 registers addressed as memory locations; (4)reset input to clear interrupts and initialize internal registers; (5)3.0V to 5.5V operating VDD.

Diagrams

MC146823P block diagram

MC14000UB
MC14000UB

Other


Data Sheet

Negotiable 
MC14001B
MC14001B

Other


Data Sheet

Negotiable 
MC14001BCP
MC14001BCP

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Data Sheet

1-2150: $0.13
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MC14001BCPG

ON Semiconductor

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Data Sheet

0-1: $0.30
1-25: $0.25
25-100: $0.18
100-500: $0.15
MC14001BDG
MC14001BDG

ON Semiconductor

Gates (AND / NAND / OR / NOR) 3-18V Quad 2-Input NOR

Data Sheet

0-1: $0.21
1-25: $0.17
25-100: $0.12
100-500: $0.10
MC14001BDR2
MC14001BDR2


IC GATE NOR QUAD CMOS 14SOIC

Data Sheet

0-1: $0.33
1-25: $0.25
25-100: $0.18
100-250: $0.14
250-500: $0.11
500-1000: $0.09