ATMEL AT27C080-12DI, AT27C080-12DC, AT27C080-10TC, AT27C080-10RI, AT27C080-10RC Datasheet

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Features

Fast Read Access Time - 90 ns

Low Power CMOS Operation

-100 μA max. Standby

-40 mA max. Active at 5 MHz

JEDEC Standard Packages

-32 Lead PLCC

-32-Lead 600-mil PDIP and Cerdip

-32-Lead 450-mil SOIC (SOP)

-32-Lead TSOP

5V ± 10% Supply

High-Reliability CMOS Technology

-2,000V ESD Protection

-200 mA Latchup Immunity

RapidProgramming Algorithm - 50 μs/byte (typical)

CMOS and TTL Compatible Inputs and Outputs

Integrated Product Identification Code

Industrial and Commercial Temperature Ranges

Description

The AT27C080 chip is a low-power, high-performance 8,388,608-bit ultraviolet erasable programmable read only memory (EPROM) organized as 1M by 8 bits. The AT27C080 requires only one 5V power supply in normal read mode operation. Any byte can be accessed in less than 90 ns, eliminating the need for speed reducing WAIT states on high-performance microprocessor systems.

Atmel’s scaled CMOS technology provides low active power consumption and fast

programming. Power consumption is typically 10 mA in active mode and less than 10

μA in standby mode.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(continued)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Configurations

 

 

 

 

 

 

 

CDIP, PDIP, SOIC Top View

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A19

 

1

 

 

32

 

 

VCC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Pin Name

 

Function

 

 

 

 

 

 

 

 

 

A16

 

2

 

 

31

 

 

A18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A15

 

3

 

 

30

 

 

A17

 

 

 

 

 

A0 - A19

 

Addresses

 

 

 

 

 

 

 

 

 

A12

 

4

 

 

29

 

 

A14

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O0 - O7

 

Outputs

 

 

 

 

 

 

 

 

 

A7

 

5

 

 

28

 

 

A13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A6

 

6

 

 

27

 

 

A8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Chip Enable

 

 

 

 

 

 

 

 

 

A5

 

7

 

 

26

 

 

A9

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CE

 

 

 

 

 

 

 

 

 

 

 

 

 

A4

 

8

 

 

25

 

 

A11

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A3

 

9

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OE/VPP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A2

 

10

 

 

23

 

 

A10

 

 

 

 

 

OE

 

 

 

Output Enable

 

 

 

 

 

 

 

 

 

A1

 

11

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A0

 

12

 

 

21

 

 

07

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TSOP Top View

 

 

 

 

 

 

 

 

 

O0

 

13

 

 

20

 

 

06

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O1

 

14

 

 

19

 

 

05

 

 

 

 

 

 

 

 

 

 

 

 

 

Type 1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

O2

15

 

 

18

 

 

04

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

GND

16

 

 

17

 

 

03

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A11

 

 

1

32

 

 

OE/VPP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A9

 

 

2

31

 

A10

 

 

PLCC Top View

 

 

 

 

 

A8

 

 

3

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CE

 

 

 

 

 

 

A13

 

 

4

29

 

07

 

 

 

 

 

A12

A15

A16

A19

VCC

A18

 

 

A17

 

 

 

 

A14

 

 

5

28

 

06

 

 

 

 

 

 

 

 

 

 

 

A17

 

 

6

27

 

05

 

 

 

 

4

3

2

1

32

31

30

 

 

 

 

 

 

A18

 

 

7

26

 

04

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A7

5

 

 

 

 

 

 

 

29

A14

 

VCC

 

 

8

25

 

03

 

 

 

A6

6

 

 

 

 

 

 

 

28

A13

 

 

 

 

 

 

 

 

 

 

 

 

 

A19

 

 

9

24

 

GND

 

A5

7

 

 

 

 

 

 

 

27

A8

 

 

 

 

 

 

 

 

 

 

 

 

 

A16

 

 

10

23

 

02

 

 

 

A4

8

 

 

 

 

 

 

 

26

A9

 

 

 

 

 

 

 

 

 

 

 

 

 

A15

 

 

11

22

 

01

 

 

 

A3

9

 

 

 

 

 

 

 

25

A11

 

 

 

 

 

 

 

 

 

 

 

 

 

A12

 

 

12

21

 

O0

 

A2

10

 

 

 

 

 

 

24

 

 

 

 

 

 

 

 

 

 

 

 

 

OE/VPP

 

 

A7

 

 

13

20

 

A0

 

A1

11

 

 

 

 

 

 

23

A10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A6

 

 

14

19

 

A1

 

A0

12

 

 

 

 

 

 

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CE

 

 

 

A5

 

 

15

18

 

A2

 

O0

13

 

 

 

 

 

 

21

07

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A4

 

 

 

16

17

 

A3

 

 

14

15

16

17

18

19

20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

01

02

GND

03

04

05

06

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AT27C080

8-Megabit

(1M x 8)

UV Erasable CMOS EPROM

AT27C080

0360F-B–7/97

1

The AT27C080 is available in a choice of packages, including; one-time programmable (OTP) plastic PLCC, PDIP, SOIC (SOP), and TSOP, as well as windowed ceramic Cerdip. All devices feature two-line control (CE, OE) to give designers the flexibility to prevent bus contention.

With high density 1M byte storage capability, the AT27C080 allows firmware to be stored reliably and to be accessed by the system without the delays of mass storage media.

Atmel’s 27C080 has additional features to ensure high quality and efficient production use. The RapidProgramming Algorithm reduces the time required to program the part and guarantees reliable programming. Programming time is typically only 50 μs/byte. The Integrated Product Identification Code electronically identifies the device and manufacturer. This feature is used by industry standard programming equipment to select the proper programming algorithms and voltages.

Erasure Characteristics

The entire memory array of the AT27C080 is erased (all outputs read as VOH) after exposure to ultraviolet light at a wavelength of 2,537Å. Complete erasure is assured after a minimum of 20 minutes of exposure using 12,000 μW/cm2 intensity lamps spaced one inch away from the chip. Minimum erase time for lamps at other intensity ratings can be calculated from the minimum integrated erasure dose of 15 W.sec/cm2. To prevent unintentional erasure, an opaque label is recommended to cover the clear window on any UV erasable EPROM that will be subjected to continuous flourescent indoor lighting or sunlight.

System Considerations

Switching between active and standby conditions via the Chip Enable pin may produce transient voltage excursions. Unless accommodated by the system design, these transients may exceed data sheet limits, resulting in device non-conformance. At a minimum, a 0.1 μF high frequency, low inherent inductance, ceramic capacitor should be utilized for each device. This capacitor should be connected between the VCC and Ground terminals of the device, as close to the device as possible. Additionally, to stabilize the supply voltage level on printed circuit boards with large EPROM arrays, a 4.7 μF bulk electrolytic capacitor should be utilized, again connected between the VCC and Ground terminals. This capacitor should be positioned as close as possible to the point where the power supply is connected to the array.

2

AT27C080

 

 

 

ATMEL AT27C080-12DI, AT27C080-12DC, AT27C080-10TC, AT27C080-10RI, AT27C080-10RC Datasheet

Block Diagram

Absolute Maximum Ratings*

...................Temperature Under Bias

-55°C to +125°C

Storage Temperature.........................

-65°C to +150°C

Voltage on Any Pin with

-2.0V to +7.0V(1)

Respect to Ground ............................

Voltage on A9 with

-2.0V to +14.0V(1)

Respect to Ground .........................

VPP Supply Voltage with

-2.0V to +14.0V(1)

Respect to Ground ..........................

Integrated UV Erase Dose................

7258 W•sec/cm2

 

 

AT27C080

*NOTICE: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Note: 1. Minimum voltage is -0.6V DC which may undershoot to -2.0V for pulses of less than 20 ns. Maximum output pin voltage is VCC + 0.75V DC which may overshoot to +7.0V for pulses of less than 20 ns.

Operating Modes

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode/Pin

 

CE

 

 

OE/VPP

Ai

 

 

Outputs

Read

 

VIL

 

 

VIL

Ai

 

 

DOUT

Output Disable

 

X

 

 

VIH

X(1)

 

 

High Z

Standby

 

VIH

 

 

X

X

 

 

High Z

Rapid Program(2)

 

V

 

 

V

PP

Ai

 

 

D

IN

 

 

IL

 

 

 

 

 

 

 

PGM Verify

 

VIL

 

 

VIL

Ai

 

 

DOUT

PGM Inhibit

 

VIH

 

 

VPP

X

 

 

High Z

 

 

 

 

 

 

 

 

A9 = V

(3)

 

 

 

Product Identification(4)

 

 

 

 

 

 

 

 

H

 

 

 

 

V

 

 

V

IL

A0 = V or V

IL

Identification Code

 

 

IL

 

 

 

 

IH

 

 

 

 

 

 

 

 

 

 

 

A1 - A19 = VIL

 

 

Notes: 1. X can be VIL or VIH.

2.Refer to Programming Characteristics.

3.VH = 12.0 ± 0.5V.

4.Two identifier bytes may be selected. All Ai inputs are held low (VIL), except A9 which is set to VH and A0 which is toggled low (VIL) to select the Manufacturer’s Identification byte and high (VIH) to select the Device Code byte.

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