Z86E0412PSC1860 ZILOG [Zilog, Inc.], Z86E0412PSC1860 Datasheet - Page 15

• Manufacturer Part Number: Z86E0412PSC1860
• Description: Z8 CMOS OTP Microcontrollers
• Manufacturer: ZILOG [Zilog, Inc.]

PS009201-0301
EPROM Array Modes
Note:
EPROM ARRAY READ/WRITE Mode Entry
1. To enter EPROM ARRAY READ/WRITE mode, all pins must be set as per
2. EPM is lowered to V
3. OE is lowered to V
4. The V
5. The CLEAR is pulsed High to V
6. The V
7. After a delay of at least 1µsec minimum, the V
8. OE is raised to V
9. EPM is raised to V
10. The device now operates in EPROM ARRAY READ/WRITE mode. See
Table 7.
Figure 8.
The delay between edges should be 1µsec minimum unless specified in
the timing specification in
PP
PP
is raised to V
is lowered to V
IH
IH
IL
.
P r o g r a m m i n g S p e c i f i c a t i o n
.
IL
.
.
IH
IL
.
.
Table
IH
and back down to V
14.
Z8 CMOS OTP Microcontrollers
PP
Z86E02/E04/E08/E09 SL1995
is raised to V
IL
.
IH
.
10