27c256 Microchip Technology Inc., 27c256 Datasheet - Page 7

• Manufacturer Part Number: 27c256
• Description: 256k 32k X 8 Cmos Eprom
• Manufacturer: Microchip Technology Inc.

FIGURE 1-3:
2004 Microchip Technology Inc.
PROGRAMMING EXPRESS ALGORITHM
Conditions:
T
V
V
amb
CC
PP
= 13.0 ±0.25V
= 6.5 ±0.25V
= 25•C ±5•C
Passed
Device
Program one 100
ADDR = First Location
Yes
No
V
CC
Increment Address
= V
V
V
Increment X
Fail
PP
Address?
No
= original
CC
X = 10 ?
X = 0
Verify
PP
bytes
data?
Start
Byte
Last
= 13.0V
All
= 6.5V
= 4.5V, 5.5V
s pulse
No
Yes
Yes
Pass
Device
Failed
Device
Failed
27C256
DS11001N-page 7