Z86D73 Datasheet, PDF (20/92 Pages) Zilog, Inc. – 40/44/48-Pin Low-Voltage IR OTP

Z86D73
40/44/48-Pin Low-Voltage IR OTP
14
Table 7. External I/O or Memory Read and Write Timing (Preliminary)
No Symbol
1 TdA(AS)
2 TdAS(A)
3 TdAS(DR)
4 TwAS
5 Td
6 TwDSR
7 TwDSW
8 TdDSR(DR)
9 ThDR(DS)
10 TdDS(A)
11 TdDS(AS)
12 TdR/W(AS)
13 TdDS(R/W)
14 TdDW(DSW)
15 TdDS(DW)
16 TdA(DR)
Parameter
Address Valid to
AS Rising Delay
V_CC
2.0 V
3.6 V
AS Rising to Address 2.0 V
Float Delay
3.6 V
AS Rising to Read
Data Required Valid
2.0 V
3.6 V
AS Low Width
2.0 V
3.6 V
Address Float to
DS Falling
2.0 V
3.6 V
DS (Read) Low Width 2.0 V
3.6 V
DS (Write) Low Width 2.0 V
3.6 V
DS Falling to Read
Data Required Valid
2.0 V
3.6 V
Read Data to DS Rising 2.0 V
Hold Time
3.6 V
DS Rising to Address 2.0 V
Active Delay
3.6 V
DS Rising to AS
Falling Delay
2.0 V
3.6 V
R/W Valid to AS
Rising Delay
2.0 V
3.6 V
DS Rising to
R/W Not Valid
2.0 V
3.6 V
Write Data Valid to DS 2.0 V
Falling (Write) Delay 3.6 V
DS Rising to Write
Data Not Valid Delay
2.0 V
3.6 V
Address Valid to Read 2.0 V
Data Required Valid 3.6 V
T_A = 0 °C to +70 °C 8.0
MHz*
Min
Max
Units
55
ns
55
ns
70
ns
70
ns
400
ns
400
ns
80
ns
80
ns
0
ns
0
ns
300
ns
300
ns
165
ns
165
ns
260
ns
260
ns
0
ns
0
ns
85
ns
95
ns
60
ns
70
ns
70
ns
70
ns
70
ns
70
ns
80
ns
80
ns
70
ns
80
ns
475
ns
475
ns
Notes
2
2
2
1, 2
2
1, 2
1, 2
1, 2
2
2
2
2
2
2
2
1, 2
PS019402-1103
PRELIMINARY