Z86E0412PSC1860 ZILOG [Zilog, Inc.], Z86E0412PSC1860 Datasheet - Page 20

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

Figure 10. EPROM ARRAY PROGRAM AND VERIFY Functional Timing
PS009201-0301
Address
CLOCK
CLEAR
(Port 2)
Internal
PGM
EPM
Data
V
OE
V
CE
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
14. Repeat Steps 5 to 12 until the last address is read.
15. Because the address is sequentially accessed, a previously-accessed
Table 9. EPROM ARRAY PROGRAM AND VERIFY Mode Conditions
EPROM Signal
D0–D3
D4–D7
GND
V
CE
CC
address can only be programmed or read by resetting the address counter to
0000h and clocking the address counter to increment to the appropriate
address.
Data In
0000h
18-Pin DIP/SOIC
Pins 15, 16, 17, 18
Pins 1, 2, 3, 4
Pin 14
Pin 5
Pin 7
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
3 x N x 1ms
Data In
20-Pin SSOP
Pins 17, 18, 19, 20
Pins 1, 2, 3, 4
Pins 15, 16
Pins 5, 6
Pin 8
Z8 CMOS OTP Microcontrollers
Z86E02/E04/E08/E09 SL1995
Forced State
See Figure 10
See Figure 10
GND
5V
V
IL
0001h
15