AT27C040 datasheet(6/13 Pages) ATMEL

6 / 13 page

AT27C040

0189F–EPROM–4/03

Programming Waveforms

(1)

Notes:

1. The Input Timing Reference is 0.8V for VIL and 2.0V for VIH.

2. t

OE and tDFP are characteristics of the device but must be accommodated by the programmer.

3. When programming the AT27C040 a 0.1

µF capacitor is required across V

PP and ground to suppress spurious voltage

transients.

DC Programming Characteristics

A = 25 ± 5°C, VCC = 6.5 ± 0.25V, VPP = 13.0 ± 0.25V

Symbol

Parameter

Test Conditions

Limits

Units

Min

Max

ILI

Input Load Current

VIN = VIL, VIH

±10

µA

Input Low Level

-0.6

0.8

Input High Level

2.0

CC + 0.7

VOL

Output Low Voltage

IOL = 2.1 mA

0.4

Output High Voltage

OH = -400 µA

2.4

CC2

CC Supply Current (Program and Verify)

IPP2

VPP Supply Current

CE = VIL

A9 Product Identification Voltage

11.5

12.5

AT27C040 Datasheet(PDF) 6 Page - ATMEL Corporation

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