Renesas 7700 FAMILY User Manual page 413

PROM VERSION
18.1 EPROM mode
Fig. 18.1.2 Programming algorithm flow chart
18–8
ADDR = FIRST LOCATION
PROGRAM ONE PULSE OF 0.2 ms
FAIL
PROGRAM PULSE
OF 0.2χ ms DURATION
NO
LAST ADDR ?
INCREMENT ADDR
V
DEVICE PASSED
7751 Group User's Manual
START
V = 6.0 V
CC
V = 12.5 V
PP
χ = 0
χ = χ+1
YES
χ = 25 ?
NO
VERIFY
BYTE
PASS
YES
= V = *5.0 V
CC PP
FAIL
VERIFY
DEVICE
ALL BYTE
FAILED
PASS
FAIL
VERIFY
DEVICE
BYTE
FAILED
PASS
≤ 5.5 V
*4.5 V≤ V = V
CC PP