Z86E0412PSC1860 ZILOG [Zilog, Inc.], Z86E0412PSC1860 Datasheet - Page 24

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

Figure 12. OPTION BIT PROGRAM AND VERIFY Functional Timing
PS009201-0301
CLOCK
CLEAR
(Port 2)
PGM
EPM
Data
(CE)
V
OE
V
CC
PP
5V
0V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
IH
IH
IH
IH
IH
IH
IH
IL
IL
IL
IL
IL
IL
IL
9. If the address location is not programmed after the 25th try, then the device is
10. If the address location shows that it is programmed, then the address location
Table 12. OPTION BIT PROGRAM AND VERIFY Mode Conditions
EPROM Signal
D0–D3
D4–D7
GND
V
CE
NC
CC
failed.
is then overprogrammed with three times the total accumulated program time.
Data In
18-Pin DIP/SOIC
Pins 15, 16, 17, 18
Pins 1, 2, 3, 4
Pin 14
Pin 5
Pin 7
Pin 6
P r o g r a m m i n g S p e c i f i c a t i o n
Data
Out
20-Pin SSOP
Pins 17, 18, 19, 20
Pins 1, 2, 3, 4
Pins 15, 16
Pins 5, 6
Pin 8
Pin 7
3 x N x 1ms
Data In
Z8 CMOS OTP Microcontrollers
Z86E02/E04/E08/E09 SL1995
Forced State
See Figure 12
See Figure 12
GND
5V
V
No Connection
IL
Data Out
19