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Am8255A - Programmable Peripheral Interface

Datasheet Summary

Description

Min.

Typ.

Max.

VEXT is set at various voltages during testing to guarantee the specification.

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Datasheet Details

Part number Am8255A
Manufacturer AMD
File Size 177.10 KB
Description Programmable Peripheral Interface
Datasheet download datasheet Am8255A Datasheet
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Full PDF Text Transcription

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Am8255A/8255A-5 MOS-108 CONNECTION DIAGRAM - Top View PA3 PA 2 PAl PAO AD CS GNO Al AO PC7 10 PC6 11 PCS 12 PC4 13 PCO 14 PCl 15 PC2 16 PC3 17 PBo 18 PBl §19 PB2 20 Am8255A PA. 39 PAs 38 PA6 37 PA 7 36 WR 35 RESET 34 DO 33 01 32 02 31 03 30 04 29 Os 28 0 6 27 07 26 Vee 25 PB7 24 PB6 §23 PBs 22 PB4 21 PB3 PIN NAMES DrDo Reset CS RD WR Ao,A1 PArPAo PBrPBo PCrPCo Vee GND Data Bus (Bi-Directional) Reset Input Chip Select Read Input Write Input Port Address Port A (Bit) Port B (Bit) Port C (Bit) +5 Volts o Volts MAXIMUM RATINGS above which useful life may be impaired Storage Temperature Ambient Temperature Under Bias Vee with Respect to Vss All Signal Voltages with Respect to Vss -0.5V to +7.0V -0.5V to +7.
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