CY7C1049CV33 Automotive

Document #: 001-67511 Rev. **

Page 3 of 13

Selection Guide

Description

-10

-12

-15

Unit

Maximum Access Time

10

12

15

ns

Maximum Operating Current

Automotive-A

100

95

–

mA

Automotive-E

–

–

95

mA

Maximum CMOS Standby Current

Automotive-A

10

10

–

mA

Automotive-E

–

–

15

mA

Pin Configuration

Figure 1. 36-pin SOJ (Top View)

Figure 2. 44-pin TSOP II (Top View)

1

2

3

4

5

6

7

8

9

10

11

14

23

24

28

27

26

25

29

32

31

30

12

13

33

36

35

34

16

15

21

22

GND

WE

OE

CE

18

17

19

20

GND

NC

NC

1

2

3

4

5

6

7

8

9

10

11

14

31

32

36

35

34

33

37

40

39

38

12

13

41

44

43

42

16

15

29

30

NC

NC

NC

NC

NC

CE

18

17

20

19

27

28

25

26

22

21

23

24

NC

WE

NC

OE

NC

NC

NC

Pin Definitions

Pin Name

36 SOJ

Pin Number

44 TSOP II

Pin Number

I/O Type

Description

1–5, 14–18,

20–24, 32–35

3–7, 16–20,

26–30, 38–41

Input

Address inputs used to select one of the address locations.

7, 8, 11, 12,

25, 26, 29, 30

9, 10, 13, 14,

31, 32, 35, 36

Input/Output Bidirectional data I/O lines. Used as input or output lines depending

on operation

NC[1]

19, 36

1, 2, 21, 22,

23, 24, 25, 42,

43, 44

No Connect No connects. This pin is not connected to the die

WE

13

15

Input/Control Write Enable input, active LOW. When selected LOW, a WRITE is

conducted. When selected HIGH, a READ is conducted.

CE

6

8

Input/Control Chip Enable input, active LOW. When LOW, selects the chip. When

HIGH, deselects the chip.

OE

31

37

Input/Control Output Enable, active LOW. Controls the direction of the I/O pins.

When LOW, the I/O pins are allowed to behave as outputs. When

deasserted HIGH, I/O pins are three-stated, and act as input data pins.

10, 28

12, 34

Ground

Ground for the device. Should be connected to ground of the system.

9, 27

11, 33

Power Supply Power supply inputs to the device.

Note

1. NC pins are not connected on the die.

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