NM27C512N FAIRCHILD [Fairchild Semiconductor], NM27C512N Datasheet - Page 6

• Manufacturer Part Number: NM27C512N
• Description: 524,288-Bit (64K x 8) High Performance CMOS EPROM
• Manufacturer: FAIRCHILD [Fairchild Semiconductor]

Turbo Programming Algorithm Flow Chart
Note:
The standard National Semiconductor algorithm may also be used but it will take longer programming time.
DEVICE
FAILED
INCREMENT
ADDRESS
YES
n = 10?
NO
ADDRESS = FIRST LOCATION
ADDRESS = FIRST LOCATION
PROGRAM ONE 50 s PULSE
V
2ND: V
1ST: V
CC
FAIL
CHECK ALL BYTES
NO
= 6.5V V
FIGURE 1.
INCREMENT n
ADDRESS
ADDRESS
CC
VERIFY
VERIFY
CC
BYTE
BYTE
LAST
LAST
n = 0
= V
= V
6
?
?
PP
PASS
YES
PASS
YES
PP
PP
= 12.75V
= 6.0V
= 4.3V
NO
FAIL
INCREMENT
ADDRESS
PROGRAM ONE
n = 0
PULSE
50 s
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