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MC68B21

Peripheral Interface Adapter 2MHz, DIP-40

Schematic Symbol

MC68B21VSSCB1VCCR/~{W}CS0~{CS2}CS1ENABLE~{RESET}RS1RS0CA1PA0PA1PA2PA3PA4PA5PA6PA7PB0PB1PB2PB3PB4PB5PB6PB7CB2D7D6D5D4D3D2D1D0~{IRQB}~{IRQA}CA2

Pin Configuration (40 pins)

PinNameType
1VSSpower_in
2PA0bidirectional
3PA1bidirectional
4PA2bidirectional
5PA3bidirectional
6PA4bidirectional
7PA5bidirectional
8PA6bidirectional
9PA7bidirectional
10PB0bidirectional
11PB1bidirectional
12PB2bidirectional
13PB3bidirectional
14PB4bidirectional
15PB5bidirectional
16PB6bidirectional
17PB7bidirectional
18CB1input
19CB2bidirectional
20VCCpower_in
21R/~{W}input
22CS0input
23~{CS2}input
24CS1input
25ENABLEinput
26D7bidirectional
27D6bidirectional
28D5bidirectional
29D4bidirectional
30D3bidirectional
31D2bidirectional
32D1bidirectional
33D0bidirectional
34~{RESET}input
35RS1input
36RS0input
37~{IRQB}open_collector
38~{IRQA}open_collector
39CA2bidirectional
40CA1input

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

PIA