HN27C256HFP 查看數據表（PDF） - Hitachi -> Renesas Electronics

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HN27C256HFP

32768-word × 8-bit CMOS One Time Electrically Programmable ROM

Hitachi -> Renesas Electronics 

HN27C256HP/HFP Series

START

SET PROG./VERIFY MODE

VPP = 12.5 ± 0.5 V, VCC = 6.0 ± 0.25 V

Address = 0

n=0

Address + 1 Address

n+1 n

Program tPW = 1.0 ms ± 5%

VERIFY

NOGO

GO

Program tOPW = 3n ms

NO

LAST

Address?

YES

SET READ MODE

VCC = 5.0 V ± 0.5 V, VPP = VCC

NO

n = 25

YES

READ

All Address

GO

END

NOGO

FAIL

11

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