AT27C080 datasheet(3/10 Pages) ATMEL

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AT27C080

Absolute Maximum Ratings*

Temperature Under Bias ...................-55°C to +125°C

*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 abso-

lute maximum rating conditions for extended

periods may affect device reliability.

Note:

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.

Storage Temperature.........................-65°C to +150°C

Voltage on Any Pin with

Respect to Ground ............................-2.0V to +7.0V

(1)

Voltage on A9 with

Respect to Ground .........................-2.0V to +14.0V(1)

PP Supply Voltage with

Respect to Ground ..........................-2.0V to +14.0V(1)

Integrated UV Erase Dose................ 7258 W•sec/cm2

Operating Modes

Notes:

1. X can be V

IL or VIH.

2. Refer to Programming Characteristics.

3. V

H = 12.0 ± 0.5V.

4. Two identifier bytes may be selected. All Ai inputs are held low (V

IL), except A9 which is set to VH and A0 which is toggled

low (V

IL) to select the Manufacturer’s Identification byte and high (VIH) to select the Device Code byte.

Mode/Pin

OE/V

Outputs

Read

OUT

Output Disable

X(1)

High Z

Standby

High Z

Rapid Program(2)

PGM Verify

OUT

PGM Inhibit

XHigh Z

Product Identification(4)

A9 = V

(3)

A0 = V

IH or VIL

A1 - A19 = V

Identification Code

Block Diagram

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