TMS27C512 65536 BY 8BIT UV ERASABLE

TMS27PC512 65536 BY 8BIT

PROGRAMMABLE READONLY MEMORIES

SMLS512G − NOVEMBER 1985 − REVISED SEPTEMBER 1997

1

POST OFFICE BOX 1443

ROMs, PROMs, and EPROMs

’27C/PC512-10

100 ns

’27C/PC512-12

120 ns

’27C/PC512-15

150 ns

’27C/PC512-20

200 ns

’27C/PC512-25

250 ns

Programming

Standard TTL Loads

and Output Lines

− Active . . . 158 mW Worst Case

− Standby . . . 1.4 mW Worst Case

(CMOS Input Levels)

Class B High Reliability Processing

(SMJ27C512)

description

The TMS27C512 series are 65 536 by 8-bit

(524 288-bit), ultraviolet (UV) light erasable,

electrically programmable read-only memories

(EPROMs).

The TMS27PC512 series are 65 536 by 8-bit

(524 288-bit), one-time programmable (OTP)

electrically programmable read-only memories

(PROMs).

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

32 1 32 31

14

5

6

7

8

9

10

11

12

13

29

28

27

26

25

24

23

22

21

430

15 16 17 18 19 20

PIN NOMENCLATURE

A0 − A15

Address Inputs

E

Chip Enable/Power Down

DQ0 − DQ7

Inputs (programming) / Outputs

G /VPP

13-V Programming Power Supply

GND

Ground

NC

No Internal Connection

NU

Make No External Connection

VCC

5-V Power Supply

J PACKAGE

( TOP VIEW )

1

2

3

4

5

6

7

8

9

10

11

12

13

14

28

27

26

25

24

23

22

21

20

19

18

17

16

15

A15

A12

A7

A6

A5

A4

A3

A2

A1

A0

DQ0

DQ1

DQ2

GND

A14

A13

A8

A9

A11

A10

E

DQ7

DQ6

DQ5

DQ4

DQ3

A8

A9

A11

NC

A10

E

DQ7

DQ6

A6

A5

A4

A3

A2

A1

A0

NC

DQ0

FM PACKAGE

( TOP VIEW )

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

Copyright

 1997, Texas Instruments Incorporated