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Last update: 7 February 2004

IC number:FE3020
IC function:Address buffer
Related components:FE3000, FE3010, FE3030 (rest of chipset), 80286 (processor)

Component documentation
IC numberManufacturerDocumentation
FE3020FaradayNot available

Component versions
IC numberPackageCBM part numberCBM part description
FE302084-pin PLCC390319-01FE3020

Positions
DevicePositionsPackage
PC30-IIIU303PLCC
PC40-IIIU303PLCC

Pinout
PinTypeNameDescription
1I/OADD19AT BUS ADDRESS BIT 19
2I/OA20GT8042 GATE ADDRESS
3I/OADR(0)FE3000/FE3010 ADDRESS BIT 0
4I/OA180286/FE3010 ADDRESS BIT 1
5I/OADD18AT BUS ADDRESS BIT 18
6PowerVCC15V ± 5%
7PowerGDD1GROUND
8I/OA280286/FE3010 ADDRESS BIT 2
9..11I/OADD17..ADD15AT BUS ADDRESS BIT 17..15
12PowerVCC25V ± 5%
13PowerGDD2GROUND
14I/OA380286/FE3010 ADDRESS BIT 3
15..16I/OADD14..ADD13AT BUS ADDRESS BIT 14..13
17N/CN/C
18..19I/OA4..A580286/FE3010 ADDRESS BIT 4..5
20I/OA1680286/FE3010 ADDRESS BIT 16
21I/OADD12AT BUS ADDRESS BIT 12
22PowerVCC35V ± 5%
23PowerGDD3GROUND
24..25I/OADD11..ADD10AT BUS ADDRESS BIT 11..10
26I/OA1780286/FE3010 ADDRESS BIT 17
27..28I/OADD9..ADD8AT BUS ADDRESS BIT 9..8
29..30I/OA18..A1980286/FE3010 ADDRESS BIT 18..19
31PowerGDD4GROUND
32PowerVCC45V ± 5%
33PowerGDD11GROUND
34..36I/OADD7..ADD5AT BUS ADDRESS BIT 7..5
37I/OA2080286/FE3010 ADDRESS BIT 20
38I/OA680286/FE3010 ADDRESS BIT 6
39PowerVCC55V ± 5%
40PowerGDD5GROUND
41..42I/OADD4..ADD3AT BUS ADDRESS BIT 4..3
43InputA2180286/FE3010 ADDRESS BIT 21
44..46I/OA7..A980286/FE3010 ADDRESS BIT 7..9
47PowerVCC65V ± 5%
48PowerGDD6GROUND
49..51I/OADD2..ADD0AT BUS ADDRESS BIT 2..0
52..53I/OA10..A1180286/FE3010 ADDRESS BIT 10..11
54PowerVCC75V ± 5%
55PowerGDD7GROUND
56I/ONEBHEAT BUS BYTE HIGH ENABLE
57I/ONMEMRAT BUS MEMORY WRITE COMMAND
58..59InputA22..A2380286/FE3010 ADDRESS BIT 22..23
60InputADSTBADDRESS STROBE
61InputHLDAHOLD ACKNOWLEDGE
62InputLAS0FE3000 ADDRESS BIT 0
63InputNBHE80286 BUS BYTE HIGH ENABLE
64InputNGTMEMRGATE MEMORY READ
65InputNMASTERMASTER
66InputNRAMCSRAM CHIP SELECT
67I/ONYMEMWMEMORY WRITE COMMAND
68I/OLA20FE3010 ADDRESS BIT 20
69..72I/OA12..A1580286/FE3010 ADDRESS BIT 12..15
73PowerGDD8GROUND
74PowerVCC85V ± 5%
75PowerGDD9GROUND
76I/ONMEMWAT BUS MEMORY WRITE COMMAND
77OutputNSMEMRPC BUS MEMORY READ COMMAND
78OutputNSMEMWPC BUS MEMORY WRITE COMMAND
79OutputMEM245DIRMEMORY BUFFER DIRECTION
80I/ONABHEFE3000 BUS BYTE HIGH ENABLE
81OutputNPROMSELPROM SELECT
82I/ONYMEMRMEMORY READ COMMAND
83PowerGDD10GROUND
84PowerVCC95V ± 5%

Copyright © 2004 Ronald van Dijk - All rights reserved