AT27LV020A-12JI_07 데이터 시트보기 (PDF) - Atmel Corporation

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AT27LV020A-12JI_07

2-Megabit (256K x 8) Low Voltage OTP EPROM

Atmel Corporation 

6. Operating Modes

Mode/Pin

CE

OE PGM

Ai

VPP

VCC

Outputs

Read(2)

VIL

VIL

X(1)

Ai

X

VCC

DOUT

Output Disable(2)

X

VIH

X

X

X

VCC

High Z

Standby(2)

VIH

X

X

X

X

VCC

High Z

Rapid Program(3)

VIL

VIH

VIL

Ai

VPP

VCC

DIN

PGM Verify(3)

VIL

VIL

VIH

Ai

VPP

VCC

DOUT

PGM Inhibit(3)

VIH

X

X

X

VPP

VCC

High Z

Product Identification(3)(5)

A9 = VH(4)

VIL

VIL

X

A0 = VIH or VIL

X

VCC

Identification Code

A1 - A17 = VIL

Notes: 1. X can be VIL or VIH.

2. Read, output disable, and standby modes require, 3.0V ≤VCC ≤3.6V, or 4.5V ≤VCC ≤5.5V.

3. Refer to Programming Characteristics. Programming modes require VCC = 6.5V.

4. VH = 12.0 ± 0.5V.

5. 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.

7. DC and AC Operating Conditions for Read Operation

Industrial Operating Temperature (Case)

VCC Power Supply

AT27LV020A-12

-40° C - 85° C

3.0V to 3.6V

5V ± 10%

4 AT27LV020A

0549G–EPROM–12/07

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