
TOGGLE BIT, DATA POLLING TIMING WAVEFORM
Toggle bit appears in Q6, when program/erase is
opperating. DATA polling appears in Q7 during pro-
gramming or erase.
MX28F2000P
WE
Vpp 12V
CE
HIGH
OE
Q6
DURING P/E
HIGH-Z
Q7
DURING P
Q7
DURING E
Q0~Q5
HIGH-Z
HIGH-Z
HIGH-Z
TOGGLE BIT
DATA POLLING
DATA
DATA
DATA
PROGRAM/ERASE COMPLETE
DATA POLLING
DATA
DATA
DATA
P/N: PM0380
REV. 1.5, OCT 29, 1998
28