UVEPROM
SMJ27C256
Austin Semiconductor, Inc.
FIGURE 1. SNAP! PULSE PROGRAMMING FLOW CHART
START
Address = First Location
VCC = 6.5V, VPP = 13V
Program
Mode
Program One Pulse = tW = 100µs
Increment Address
Last
Address?
Yes
Address = First Location
X = 0
Program One Pulse = tW(E)PR = 100µs
No
Verify
Byte
Fail
Increment
Address
X = 10?
X = X+1
Interactive
Mode
Pass
Last
Address?
No
Yes
Yes
Device Failed
VCC = VPP = 5V ± 10%
Compare
All Bytes
to Original
Data
Final
Verification
Fail
Pass
Device Passed
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
SMJ27C256
Rev. 1.0 9/01
4
AUSTIN [ AUSTIN SEMICONDUCTOR ]
