Z86E30/E31/E40
Z8 4K OTP Microcontroller
Zilog
Start
Addr =
First Location
Vcc = 6.0V
Vpp = 12.5V
N = 0
Program
1 ms Pulse
Increment N
Yes
N = 25 ?
No
Fail
Fail
Verify
Verify Byte
Pass
One Byte
Pass
Prog. One Pulse
3xN ms Duration
No
Increment
Address
Last Addr ?
Yes
Vcc = Vpp = 4.5V *
Note:
* To ensure proper operaton,
Fail
Verify All
Bytes
Zilog recommends Vcc range
of the device Vcc specification,
But Vcc = 5.0V is acceptable.
Pass
Device Failed
Vcc = Vpp = 5.5V *
Fail
Verify All
Bytes
Pass
Device Passed
Figure 40. Z86E40 Programming Algorithm
P R E L I M I N A R Y
56
DS97Z8X0500
ZILOG [ ZILOG, INC. ]
