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Z8420

Parallel I/O, DIP-40

Schematic Symbol

Z8420~{CE}C/~{D}B/~{A}GND~{ASTB}~{BSTB}IEICLKVCC~{RD}~{IORQ}~{M1}D2D7D6PA7PA6PA5PA4PA3PA2PA1PA0ARDYD0D1BRDYIEO~{INT}PB0PB1PB2PB3PB4PB5PB6PB7D5D4D3

Pin Configuration (40 pins)

PinNameType
1D2bidirectional
2D7bidirectional
3D6bidirectional
4~{CE}input
5C/~{D}input
6B/~{A}input
7PA7bidirectional
8PA6bidirectional
9PA5bidirectional
10PA4bidirectional
11GNDpower_in
12PA3bidirectional
13PA2bidirectional
14PA1bidirectional
15PA0bidirectional
16~{ASTB}input
17~{BSTB}input
18ARDYoutput
19D0bidirectional
20D1bidirectional
21BRDYoutput
22IEOoutput
23~{INT}open_collector
24IEIinput
25CLKinput
26VCCpower_in
27PB0bidirectional
28PB1bidirectional
29PB2bidirectional
30PB3bidirectional
31PB4bidirectional
32PB5bidirectional
33PB6bidirectional
34PB7bidirectional
35~{RD}input
36~{IORQ}input
37~{M1}input
38D5bidirectional
39D4bidirectional
40D3bidirectional

Footprint

Confirmed

Package_DIP/DIP-40_W15.24mm

Pad Layout
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Pads (40)
NumberType
1thru hole
2thru hole
3thru hole
4thru hole
5thru hole
6thru hole
7thru hole
8thru hole
9thru hole
10thru hole
11thru hole
12thru hole
13thru hole
14thru hole
15thru hole
16thru hole
17thru hole
18thru hole
19thru hole
20thru hole
21thru hole
22thru hole
23thru hole
24thru hole
25thru hole
26thru hole
27thru hole
28thru hole
29thru hole
30thru hole
31thru hole
32thru hole
33thru hole
34thru hole
35thru hole
36thru hole
37thru hole
38thru hole
39thru hole
40thru hole

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Footprint

Details

LibraryInterface
Pin Count40
FootprintDIP-40_W15.24mm
Pad Count40
View Datasheet

Keywords

Z80PIOparallel