Z86E09 Datasheet, PDF (28/38 Pages) Zilog, Inc. – Z8 CMOS OTP Microcontrollers

Z86E02/E04/E08/E09 SL1995
Z8 CMOS OTP Microcontrollers
23
EPROM I/O Timing
The following section details the programming and verification of the OTP. Input
and output timing is illustrated in Figure 15. Timing specifications are provided in
Table 14. Voltage specifications are provided in Table 15.
Figure 15. Z86E0x EPROM ARRAY and OPTION BIT PROGRAM AND VERIFY Waveform*
4
Clock
V_IH
Data _VIL
V_IH
OE _VIL
V_IH
PGM V_IL
1
Data Stable
5
2
8
3
9
6
7
Program Cycle
Data Out Valid
10
12
11
Verify Cycle
Note: *EPROM bits are 0 when programmed, and 1 when unprogrammed.
Table 14. Timing Specifications
Parameters
1
2
3
4
5
6
7
Name
Address setup time
Chip Enable setup time
PGM setup time
Address to OE setup time
Data setup time
Program pulse width
Overprogram pulse width
Min
Max
Units
2
µs
2
µs
2
µs
2
µs
2
µs
0.95
ms
2.85
ms
PS009201-0301
Programming Specification