SMJ27C256 データシートの表示（PDF） - Austin Semiconductor

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SMJ27C256

256K UVEPROM UV Erasable Programmable Read-Only Memory

Austin Semiconductor 

Austin Semiconductor, Inc.

UVEPROM

SMJ27C256

FIGURE 1. SNAP! PULSE PROGRAMMING FLOW CHART

START

Address = First Location

VCC = 6.5V, VPP = 13V

Program One Pulse = tW = 100µs

Increment Address

Program

Mode

Last

Address?

No

Increment

Address

Yes

Address = First Location

X=0

Program One Pulse = tW(E)PR = 100µs

No

Verify

Byte

Fail

X = X+1

X = 10?

Pass

Last

No

Address?

Interactive

Mode

Yes

VCC = VPP = 5V ± 10%

Yes

Device Failed

SMJ27C256

Rev. 1.0 9/01

Compare

All Bytes

Fail

to Original

Data

Final

Verification

Pass

Device Passed

4

Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.

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