AT49F1024 Datasheet, PDF(1/13 Page) ATMEL Corporation – 1-Megabit 64K x 16 5-volt Only Flash Memory

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AT49F1024 Datasheet, PDF (1/13 Pages) ATMEL Corporation – 1-Megabit 64K x 16 5-volt Only Flash Memory

Features

â¢ Single Voltage Operation

â 5V Read

â 5V Reprogramming

â¢ Fast Read Access Time - 45 ns

â¢ Internal Program Control and Timer

â¢ 8K word Boot Block With Lockout

â¢ Fast Erase Cycle Time - 10 seconds

â¢ Word By Word Programming - 10 Âµs/Word Typical

â¢ Hardware Data Protection

â¢ DATA Polling For End Of Program Detection

â¢ Small 10 x 14 mm VSOP Package

â¢ Typical 10,000 Write Cycles

Description

The AT49F1024 and the AT49F1025 are 5-volt-only in-system Flash Memories. Their

1 megabit of memory is organized as 65,536 words by 16 bits. Manufactured with

Atmelâs advanced nonvolatile CMOS technology, the devices offer access times to 45

ns with power dissipation of just 275 mW over the commercial temperature range.

When the device is deselected, the CMOS standby current is less than 100 ÂµA. The

only difference between the AT49F1024 and the AT49F1025 is the pinout. The

AT49F1024 is pin compatable with the AT27C1024, and the AT49F1025 is pin com-

patable with the AT29C1024.

(continued)

Pin Configurations

Pin Name Function

A0 - A15

Addresses

Chip Enable

Output Enable

Write Enable

I/O0 - I/O15 Data Inputs/Outputs

No Connect

AT49F1025 VSOP Top View

Type 1

10 x 14 mm

A0 1

A1 2

A2 3

A3 4

A4 5

A5 6

A6 7

A7 8

A8 9

GND 10

A9 11

A10 12

A11 13

A12 14

A13 15

A14 16

A15 17

NC 18

WE 19

VCC 20

10 x 14 mm

40 OE

39 I/O0

38 I/O1

37 I/O2

36 I/O3

35 I/O4

34 I/O5

33 I/O6

32 I/07

31 GND

30 I/O8

29 I/O9

28 I/O10

27 I/O11

26 I/O12

25 I/O13

24 I/O14

23 I/O15

22 NC

21 CE

AT49F1024 VSOP Top View

Type 1

10 x 14 mm

A9 1

A10 2

A11 3

A12 4

A13 5

A14 6

A15 7

NC 8

WE 9

VCC 10

NC 11

CE 12

I/O15 13

I/O14 14

I/O13 15

I/O12 16

I/O11 17

I/O10 18

I/O9 19

I/O8 20

40 GND

39 A8

38 A7

37 A6

36 A5

35 A4

34 A3

33 A2

32 A1

31 A0

30 OE

29 I/O0

28 I/O1

27 I/O2

26 I/O3

25 I/O4

24 I/O5

23 I/O6

22 I/O7

21 GND

PLCC Top View

I/O12 7

I/O11 8

I/O10 9

I/O9 10

I/O8 11

GND 12

NC 13

I/O7 14

I/O6 15

I/O5 16

I/O4 17

39 A13

38 A12

37 A11

36 A10

35 A9

34 GND

33 NC

32 A8

31 A7

30 A6

29 A5

1-Megabit

(64K x 16)

5-volt Only

Flash Memory

AT49F1024

AT49F1025

Rev. 0765Dâ09/98

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