AT27C040-15TI 查看數據表（PDF） - Atmel Corporation

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AT27C040-15TI

4-Megabit (512K x 8) OTP EPROM

Atmel Corporation 

AC Waveforms for Read Operation(1)

AT27C040

Notes:

1. Timing measurement references are 0.8V and 2.0V. Input AC drive levels are 0.45V and 2.4V, unless otherwise specified.

2. OE may be delayed up to tCE - tOE after the falling edge of CE without impact on tCE.

3. OE may be delayed up to tACC - tOE after the address is valid without impact on tACC.

4. This parameter is only sampled and is not 100% tested.

5. Output float is defined as the point when data is no longer driven.

Input Test Waveforms and Measurement Levels

Output Test Load

1.3V

OUTPUT

PIN

(1N914)

3.3K

CL

Pin Capacitance

f = 1 MHz, T = 25° C(1)

Symbol

Typ

Max

Units

CIN

COUT

Note:

4

8

pF

8

12

pF

1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested.

Conditions

VIN = 0V

VOUT = 0V

5

0189F–EPROM–4/03

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