GMS84512 Datasheet, PDF (123/123 Pages) Hynix Semiconductor – 8-BIT SINGLE CHIP MICROCOMPUTER

GMS84512T/GMS84524T EPROM PROGRAMMING
Intelligent Programming Algorithm
START
ADDRESS= FIRST LOCATION
VDD = 6.0V
VPP = 12.5V
X=0
PROGRAM ONE 1 ms PULSE
INCREMENT X
FAIL
X = 25 ?
YES
NO
VERIFY
ONE BYTE
PASS
PROGRAM ONE PULSE
OF 3X msec DURATION
VERIFY
BYTE
FAIL
PASS
INCREMENT
ADDRESS
NO
LAST
ADDRESS ?
YES
VDD = VPP = 5.0V
COMPARE
ALL BYTES TO
ORIGINAL
DATA
PASS
DEVICE PASSED
FAIL
DEVICE FAILED
13