Datasheet Details
Part number:
Am8255A-5, Am8255A
Manufacturer:
AMD
File Size:
177.10 KB
Description:
Programmable peripheral interface.
Note:
This datasheet PDF includes multiple part numbers: Am8255A-5, Am8255A.
Please refer to the document for exact specifications by model.
Am8255A-5, Am8255A, Programmable Peripheral Interface
Test Conditions Min.
Typ.
Max.
Unit Input Capacitance fc = 1MHz I/O Capacitance Unmeasured pins returned to GND TEST LOAD CIRCUIT (FOR DATA BUS) *VEXT is set at various voltages during testing to guarantee the specification.
OPERATING RANGE Part Number Am8255ACC/PC Am9555ADM O°C to
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
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