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MM82PC12VM/883 Datasheet

  • MM82PC12VM/883

  • 8-Bit Input/Output Port

  • 8頁

  • NSC

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MM82PC12 8-Bit Input Output Port
MM82PC12 8-Bit Input Output Port
General Description
The MM82PC12 is a microCMOS 8-bit input output port
contained in a standard 24-pin dual-in-line package The
MM82PC12 can be used to implement latches gated buff-
ers or multiplexers Thus all of the major peripheral and
input output functions of a microcomputer system can be
implemented with this device
The MM82PC12 includes an 8-bit latch with TRI-STATE
output buffers and device selection and control logic Also
included is a service request flip-flop for the generation and
control of interrupts to the microprocessor
The MM82PC12 is pinout and function compatible with stan-
dard INS8212 and DP8212 devices
For military applications the MM82PC12 is available with
class B screening in accordance with method 5004 of MIL-
STD-883
July 1987
Features
Y
Y
Y
Y
Y
Y
Y
Y
Y
Y
Drive capability 150 pF load
High noise immunity
Low power dissipation
Full interface to CMOS logic levels
microCMOS technology
TTL drive capability when V
CC
e
5V
8-bit data latch and buffer
Service request flip-flop for generation and control of
interrupts
1
mA
input load current
Reduces system package count by replacing buffers
latches and multiplexers in microcomputer systems
System Configuration
TL C 5596 鈥?1
TRI-STATE is a registered trademark of National Semiconductor Corp
C
1995 National Semiconductor Corporation
TL C 5596
RRD-B30M105 Printed in U S A

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