Z86L7808SSC View Datasheet(PDF) - Zilog
Part Name
Description
MFG CO.
'Z86L7808SSC' PDF : 59 Pages View PDF
Zilog
AC CHARACTERISTICS
Preliminary
External I/O or Memory Read and Write Timing Table
No
Sym
Parameter
VCC
1 TdA(AS)
2 TdAS(A)
3 TdAS(DR)
4 TwAS
5 Td
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
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
6 TwDSR
7 TwDSW
8 TdDSR(DR)
9 ThDR(DS)
10 TdDS(A)
11 TdDS(AS)
/DS (Read) Low Width
/DS (Write) Low Width
/DS Falling to Read
Data Required Valid
Read Data to
/DS Rising Hold Time
/DS Rising to Address
Active Delay
/DS Rising to /AS
Falling Delay
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
12 TdR/W(AS)
13 TdDS(R/W)
14 TdDW(DSW)
15 TdDS(DW)
16 TdA(DR)
R//W Valid to /AS
Rising Delay
/DS Rising to
R//W Not Valid
Write Data Valid to /DS
Falling (Write) Delay
/DS Rising to Write
Data Not Valid Delay
Address Valid to Read
Data Required Valid
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
17 TdAS(DS)
18 TdDM(AS)
19 TdDS(DM)
20 ThDS(A)
/AS Rising to /DS Falling
Delay
/DM Valid to /AS
Falling Delay
/DS Rise to
/DM Valid Delay
/DS Rise to Address
Valid Hold Time
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
Notes:
1. When using extended memory timing add 2 TpC.
2. Timing numbers given are for minimum TpC.
Standard Test Load
All timing references use 0.9 VCC for a logic 1 and 0.1 VCC for a logic 0.
Z86L78
IR/Low-Voltage Microcontroller
1
TA = 0°C to +70°C
MIn
Max
55
55
70
70
400
400
80
80
0
0
300
300
165
165
260
260
0
0
85
95
60
70
70
70
70
70
80
80
70
80
475
475
100
100
55
55
70
70
70
70
Units
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
ns
ns
ns
ns
ns
ns
ns
ns
Notes
2
2
1,2
2
1,2
1,2
1,2
2
2
2
2
2
2
2
1,2
2
2
DS97LVO0701
2-9
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