256 Kbit / 512 Kbit / 1 Mbit / 2 Mbit Multi-Purpose Flash
SST27SF256 / SST27SF512 / SST27SF010 / SST27SF020
Data Sheet
Start
Erase*
VPP = VPPH
Address = First Location
Program 20µs pulse
(CE# = VIL)
Increment Address
Last Address?
No
Yes
VPP = VDD or VSS
Wait for VPP
RecoveryTime
Read Device
(CE# = OE# = VIL)
Compare all bytes
to original data
Yes
Device Passed
No
Device Failed
* See Figure 13
FIGURE 16: BYTE-PROGRAM ALGORITHM FOR SST27SF256
502 ILL F09a.3
©2001 Silicon Storage Technology, Inc.
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S71152-02-000 5/01 502