FEDR27V402E-01-03 Просмотр технического описания (PDF) - Oki Electric Industry

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FEDR27V402E-01-03

262,144–Word × 16–Bit or 524,288–Word × 8–Bit One Time PROM

Oki Electric Industry 

OKI Semiconductor

FEDR27V402E-01-03

MR27V402E / OTP

Programming/Verify Flow Chart

Programming

Start

Verify

Start

Bad Insertion

NG

Pin Check

PASS

Address = First Location

NG

Pin Check

PASS

Address = First Location

Bad Insertion

VCC = 4.0 V

VPP = 9.75 V

Program 10 µs

Increment Address NO Last Address?

YES

Address = First Location

X=0

VCC = 3.0 V/VPP = 3.0 V

NG

Verify

PASS

VCC = 3.6 V/VPP = 3.6 V

Verify

NG

PASS

Device Passed

Device Failed

NG

Verify(One Word)

X = X+1

PASS

NO

Increment Address

Last Address?

YES

X = 2?

YES

VCC = 3.0 V/VPP = 3.0 V

NO

Program 10 µs

NG

Verify

PASS

Device Passed

Device Failed

10/16

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