AT27LV520 Просмотр технического описания (PDF) - Atmel Corporation

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AT27LV520

512K (64K x 8) Multiplexed Addresses/ Outputs Low-voltage OTP EPROM

Atmel Corporation 

AT27LV520

Programming Waveforms

6.5V

VCC

5.0V

13V

OE/VPP

VIH

VIL

VIH

ALE

VIL

VIH

AD7 - AD0

VIL

VIH

A15 - A8

VIL

PROGRAM

tVCS

READ (VERIFY)

tPRT

tLP

tALE

tLAS

tLAH

ADDR

tAS

tOES tOEH

tVR

tPW

tDS

DATA IN

tALE

tDH

tLAS

tOE

tLAH

tDFP

ADDR

DATA OUT

tAH

ADDRESS STABLE

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 must be accommodated by the programmer.

DC Programming Characteristics

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

Symbol

ILI

VIL

VIH

VOL

VOH

ICC2

IPP2

Parameter

Input Load Current

Input Low Level

Input High Level

Output Low Voltage

Output High Voltage

VCC Supply Current (Program and Verify)

OE/VPP Current

Test Conditions

VIN = VIL, VIH

IOL = 2.1 mA

IOH = -400 µA

ALE = VIH

Limits

Min

Max

±10

-0.6

0.8

2.0

VCC + 1.0

0.4

2.4

25

25

Units

µA

V

V

V

V

mA

mA

7

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