577
CHAPTER 27
µ
PD78P078, 78P078Y
Program
Program Verify
A0 to A16
D0 to D7
Data Input
Hi-Z
Data Output
V
PP
V
DD
V
DD
+ 1.5
V
DD
V
IH
V
IL
V
IH
V
IL
V
IH
V
IL
V
PP
V
DD
CE
PGM
OE
Figure 27-6. Byte Program Mode Timing
Cautions 1. Apply V
DD
before applying V
PP
, and remove it after removing V
PP
.
2. V
PP
must not 13.5 V including overshoot voltage.
3. Disconnecting/inserting the device from/to the on-board socket while +12.5 V is being
applied to V
PP
may have an adverse affect on reliability.
Summary of Contents for PD78076
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