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PACE1750A

Document # MICRO-3 Rev. C

Case Outlines: Dual-In-Line (Case X) and Dual-In-Line with Gull-Wing Leads (Case T)

Terminal

Terminal

Terminal

Terminal

Terminal

Terminal

Number

Symbol

Number

Symbol

Number

Symbol

1

GND

23

44

2

CON REQ

24

45

3

DMA EN

25

46

GND

4

TRIGO RST

26

MEM PRT ER

47

5

RESET

27

MEM PAR ER

48

6

NML PWRUP

28

EXT ADR ER

49

7

TIMER CLK

29

50

8

UNRCV ER

30

51

CPU CLK

31

MAJ ER

52

STRBA

10

32

GND

53

STRBD

11

33

PWRDN INT

54

BUS REQ

12

34

55

RDYA

13

35

56

RDYD

14

36

57

R/

W

15

37

58

D/

I

16

38

59

M/

IO

17

39

60

BUS BUSY

18

40

61

BUS GNT

19

VCC

41

62

BUS LOCK

20

42

63

SNEW

21

43

64

VCC

22

TERMINAL CONNECTIONS

Note: For the 30 MHz and 40 MHz devices, Pins 19 and 46 are connected as shown. For the 15 MHz and 20 MHz devices, these pins are not internally connected to the die.