AT28LV64B datasheet(5/9 Pages) ATMEL

Part #	AT28LV64B

Description	64K 8K x 8 Low Voltage CMOS E2PROM with Page Write and Software Data Protection

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Manufacturer	ATMEL [ATMEL Corporation]

Direct Link	http://www.atmel.com

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5 / 9 page

AT28LV64B-20

AT28LV64B-25

Symbol

Parameter

Min

Max

Min

Max

Units

tACC

Address to Output Delay

200

250

ns

tCE (1)

CE to Output Delay

200

250

ns

tOE (2)

OE to Output Delay

0

80

0

100

ns

tDF (3, 4)

CE or OE to Output Float

0

55

0

60

ns

tOH

Output Hold from OE, CE or Address,

whichever occurred first

00

ns

AC Read Characteristics

Notes: 1. CE may be delayed up to tACC - tCE after the address

transition without impact on tACC.

2. OE may be delayed up to tCE - tOE after the falling

edge of CE without impact on tCE or by tACC - tOE

after an address change without impact on tACC.

3. tDF is specified from OE or CE, whichever occurs first

(CL = 5 pF).

4. This parameter is characterized and is not 100% tested.

AC Read Waveforms

(1, 2, 3, 4)

Output Test Load

Input Test Waveforms and

Measurement Level

tR, tF < 20 ns

Typ

Max

Units

Conditions

CIN

46

pF

VIN = 0V

COUT

812

pF

VOUT = 0V

Pin Capacitance (f = 1 MHz, T = 25°C)

(1)

Note:

1. This parameter is characterized and is not 100% tested.

AT28LV64B

2-139

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AT28LV64B Datasheet(PDF) 5 Page - ATMEL Corporation

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