AT27C520-70XC datasheet(4/10 Pages) ATMEL

Part #	AT27C520-70XC

Description	512K 64K x 8 Multiplexed Addresses/ Outputs OTP EPROM

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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AT27C520

4

DC and AC Operating Conditions for Read Operation

AT27C520

-70

-90

Operating Temp.(Case)

Com.

0°C - 70°C

Ind.

-40°C - 85°C

V

CC Supply

5V

± 10%

5V

± 10%

DC and Operating Characteristics for Read Operation

Note:

1. For address input A13 only.

Symbol

Parameter

Condition

Min

Max

Units

I

LI

Input Load Current

V

IN = 0V to VCC

±1

µA

I

LI2

(1)

Input Load Current A13

V

IN = 0V to VCC

±100

µA

I

LO

Output Leakage Current

V

OUT = 0V to VCC

±5

µA

I

CC

V

CC Active Current

f = 5 MHz, I

OUT = 0 mA

20

mA

V

IL

Input Low Voltage

-0.6

0.8

V

IH

Input High Voltage

2.0

V

CC + 0.5

V

OL

Output Low Voltage

I

OL = 2.1 mA

0.4

V

OH

Output High Voltage

I

OH = -400 µA2.4

V

AC Characteristics for Read Operation

Notes:

1. 2, 3, 4 — see AC Waveforms for Read Operation

Symbol

Parameter

Condition

AT27C520

Units

-70

-90

Min

Max

Min

Max

t

ACC

(2)

Address to Output Delay

ALE = OE/V

PP = VIL

70

90

ns

tAS

Address Setup Time

OE/VPP = VIH

12

15

ns

tAH

Address Hold Time

OE/VPP = VIH

12

15

ns

tALE

Address Latch Enable Width

OE/VPP = VIH

40

45

ns

t

OE

(2)

OE/V

PP to Output Delay

ALE = V

IL

30

35

ns

t

DF

(3)(4)

OE/V

PP High to Output Float

ALE = V

IL

25

ns

t

OH

Output Hold from Address or

OE/V

PP , whichever occurred first

ALE = V

IL

70

ns

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AT27C520-70XC Datasheet(PDF) 4 Page - ATMEL Corporation

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