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DP8212MJ Datasheet

  • DP8212MJ

  • 8-Bit Input/Output Port

  • 10頁

  • NSC

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DP8212 DP8212M 8-Bit Input Output Port
June 1988
DP8212 DP8212M 8-Bit Input Output Port
General Description
The DP8212 DP8212M is an 8-bit input output port con-
tained in a standard 24-pin dual-in-line package The device
which is fabricated using Schottky Bipolar technology is
part of National Semiconductor鈥檚 8080A support family The
DP8212 DP8212M can be used to implement latches gat-
ed buffers or multiplexers Thus all of the major peripheral
and input output functions of a microcomputer system can
be implemented with this device
The DP8212 DP8212M includes an 8-bit latch with
TRI-STATE output buffers and device selection and con-
trol logic Also included is a service request flip-flop for the
generation and control of interrupts to the microprocessor
Features
Y
Y
Y
Y
Y
Y
Y
Y
8-Bit data latch and buffer
Service request flip-flop for generation and control of
interrupts
0 25 mA input load current
TRI-STATE TTL output drive capability
Outputs sink 15 mA
Asynchronous latch clear
3 65V output for direct interface to INS8080A
Reduces system package count by replacing buffers
latches and multiplexers in microcomputer systems
8080A Microcomputer Family Block Diagram
TL F 6824 鈥?1
TRI-STATE is a registered trademark of National Semiconductor Corp
C
1995 National Semiconductor Corporation
TL F 6824
RRD-B30M105 Printed in U S A

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