Z86E08SL1995 View Datasheet(PDF) - Zilog
Part Name
Description
MFG CO.
'Z86E08SL1995' PDF : 38 Pages View PDF
Z86E02/E04/E08/E09 SL1995
Z8 CMOS OTP Microcontrollers
10
EPROM Array Modes
EPROM ARRAY READ/WRITE Mode Entry
1. To enter EPROM ARRAY READ/WRITE mode, all pins must be set as per
Table 7.
2. EPM is lowered to VIL.
3. OE is lowered to VIL.
4. The VPP is raised to VIH.
5. The CLEAR is pulsed High to VIH and back down to VIL.
6. The VPP is lowered to VIL.
7. After a delay of at least 1µsec minimum, the VPP is raised to VIH.
8. OE is raised to VIH.
9. EPM is raised to VIH.
10. The device now operates in EPROM ARRAY READ/WRITE mode. See
Figure 8.
Note: The delay between edges should be 1µsec minimum unless specified in
the timing specification in Table 14.
PS009201-0301
Programming Specification
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