AT27C512R-45JU datasheet(4/13 Pages) ATMEL

Part #	AT27C512R-45JU

Description	512K (64K x 8) One-time Programmable, Read-only Memory

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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4

0015P–EPROM–10/11

Atmel AT27C512R

Table 5-3.

DC and operating characteristics for read operation

Note:

1. V

CC must be applied simultaneously with or before OE/VPP, and removed simultaneously with or after OE/VPP.

Table 5-4.

AC characteristics for read operation

Note:

1. See AC waveforms for read operation.

Symbol

Parameter

Condition

Min

Max

Units

I

LI

Input load current

V

IN = 0V to VCC

Ind.

±1

µA

Auto.

±5

µA

I

LO

Output leakage current

V

OUT = 0V to VCC

Ind.

±5

µA

Auto.

±10

µA

I

SB

V

CC

(1) standby current

I

SB1 (CMOS), CE = VCC

 0.3V

100

µA

I

SB2 (TTL), CE = 2.0 to VCC

 0.5V

1

mA

I

CC

V

CC active current

f = 5MHz, I

OUT = 0mA, CE = VIL

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 = 2.1mA

0.4

V

OH

Output high voltage

I

OH = -400µA

2.4

V

Symbol

Parameter

Condition

Atmel AT27C512R

Units

-45

-70

Min

Max

Min

Max

t

ACC

(1)

Address to output delay

CE = OE/V

PP = VIL

45

70

ns

t

CE

(1)

CE to output delay

OE/V

PP = VIL

45

70

ns

t

OE

(1)

OE/V

PP to output delay

CE = V

IL

20

30

ns

t

DF

(1)

OE/V

PP or CE high to output float, whichever occurred first

20

25

ns

t

OH

Output hold from address, CE or OE/V

PP, whichever occurred first

7

ns

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