z86e72 ZiLOG Semiconductor, z86e72 Datasheet - Page 23

• Manufacturer Part Number: z86e72
• Description: Otp Microcontroller
• Manufacturer: ZiLOG Semiconductor

PS008704-0507
No. Symbol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
TdA(AS)
TdAS(A)
TdAS(DR)
TwAS
Td
TwDSR
TwDSW
TdDSR(DR) /DS Falling to Read Data Required
ThDR(DS)
TdDS(A)
TdDS(AS)
TdR/W(AS)
TdDS(R/W)
TdDW(DSW) Write Data Valid to /DS Falling (Write)
TdDS(DW)
TdA(DR)
Table 9. External I/O or Memory Read and Write Timing
Parameter
Address Valid to
/AS Rising Delay
/AS Rising to Address Float Delay
/AS Rising to Read Data Required
Valid
/AS Low Width
Address Float to
/DS Falling
/DS (Read) Low Width
/DS (Write) Low Width
Valid
Read Data to
/DS Rising to Address Active Delay
/DS Rising to /AS
Falling Delay
R//W Valid to /AS
Rising Delay
/DS Rising to
R//W Not Valid
Delay
/DS Rising to Write
Data Not Valid Delay
Address Valid to Read Data Required
Valid
/DS Rising Hold Time
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
3.0 V
5.5 V
V
CC
T
A
Min.
300
300
165
165
= 0 °C to +70 °C
55
55
70
70
80
80
85
95
60
70
70
70
70
70
80
80
70
80
0
0
0
0
16 MHz
OTP Microcontroller
Max.
400
400
260
260
475
475
Units Notes
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1, 2
1, 2
1, 2
1, 2
1, 2
1, 2
2
2
2
2
2
2
2
2
2
2
19