AT49F512-70PI 데이터 시트보기 (PDF) - Atmel Corporation

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AT49F512-70PI

512K (64K x 8) 5-volt Only Flash Memory

Atmel Corporation 

AC Read Characteristics

Symbol Parameter

tACC

tCE(1)

tOE(2)

tDF(3)(4)

tOH

Address to Output Delay

CE to Output Delay

OE to Output Delay

CE or OE to Output Float

Output Hold from OE, CE or

Address, whichever occurred first

AC Read Waveforms(1)(2)(3)(4)

AT49F512

AT49F512-70

Min

Max

70

70

35

0

25

0

AT49F512-90

Min

Max

90

90

0

40

0

25

0

Units

ns

ns

ns

ns

ns

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.

Input Test Waveforms and

Measurement Level

Output Test Load

tR, tF < 5 ns

Pin Capacitance

f = 1 MHz, T= 25°C(1)

Typ

Max

CIN

COUT

Note:

4

6

8

12

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

Units

pF

pF

Conditions

VIN = 0V

VOUT = 0V

5

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