AT27C400 Просмотр технического описания (PDF) - Atmel Corporation

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Компоненты Описание

производитель

AT27C400

4-Megabit (256K x 16 or 512K x 8) OTP EPROM

Atmel Corporation 

Programming Waveforms(1)

AT27C400

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

2. tOE and tDFP are characteristics of the device but mist be accomodated by the programmer.

3. When programming the AT27C400, a 0.1 µF capacitor is required across VPP and ground to suppress spurious voltage

transients.

DC Programming Characteristics

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

Symbol

ILI

VIL

VIH

VOL

VOH

ICC2

IPP2

VID

Parameter

Input Load Current

Input Low Level

Input High Level

Output Low Voltage

Output High Voltage

VCC Supply Current

(Program and Verify)

VPP Supply Current

A9 Product Identification Voltage

Test Conditions

VIN = VIL, VIH

IOL = 2.1 mA

IOH = -400 µA

CE = VIL

Limits

Min

Max

±10

-0.6

0.8

2.0

VCC +

0.5

0.4

2.4

50

30

11.5

12.5

Units

µA

V

V

V

V

mA

mA

V

7

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