Z86C6416PSC View Datasheet(PDF) - Zilog
Part Name
Description
MFG CO.
'Z86C6416PSC' PDF : 17 Pages View PDF
PRELIMINARY
AC CHARACTERISTICS
External I/O or Memory Read and Write Timing
Z86C63/64 (16 MHz—Standard Mode Only[4])
Z86C63/64
CPS DC-5461-02
No Symbol
Parameter
1 TdA(AS)
2 TdAS(A)
3 TdAS(DR)
4 TwAS
5 TdAZ(DS)
Address Valid to /AS rise Delay
/AS rise to Address Float Delay
/AS rise to Read Data Req’d Valid
/AS Low Width
Address Float to /DS fall
6 TwDSR
7 TwDSW
8 TdDSR(DR)
9 ThDR(DS)
10 TdDS(A)
/DS (Read) Low Width
/DS (Write) Low Width
/DS fall to Read Data Req’d Valid
Read Data to /DS rise Hold Time
/DS rise to Address Active Delay
11 TdDS(AS)
/DS rise to /AS fall Delay
12 TdR/W(AS) R//W Valid to /AS rise Delay
13 TdDS(R/W) /DS rise to R//W Not Valid
14 TdDW(DSW) Write Data Valid to /DS fall (Write) Delay
15 TdDS(DW) /DS rise to Write Data Not Valid Delay
16 TdA(DR)
17 TdAS(DS)
18 TdDM(AS)
Address Valid to Read Data Req’d Valid
/AS rise to /DS fall Delay
/DM Valid to /AS rise Delay
TA = 0°C
to +70°C
16 MHz
Min Max
25
35
150
40
0
135
80
75
0
50
35
25
35
25
35
210
45
25
TA = –40°C
to +105°C
16 MHz
Min Max
25
35
150
40
0
135
80
75
0
50
35
25
35
25
35
210
45
25
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Notes
[2,3]
[2,3]
[1,2,3]
[2,3]
[1,2,3]
[1,2,3]
[1,2,3]
[2,3]
[2,3]
[2,3]
[2,3]
[2,3]
[2,3]
[2,3]
[1,2,3]
[2,3]
[2,3]
Notes:
[1] When using extended memory timing add 2 TpC.
[2] Timing numbers given are for minimum TpC.
[3] See clock cycle dependent characteristics table.
[4] Low EMI is not selected.
Standard Test Load
All timing references use 2.0 V for a logic 1 and 0.8 V for a logic 0.
Number
1
2
3
4
6
7
8
10
11
12
13
14
15
16
17
18
Clock Dependent Formulas
Symbol
Equation
TdA(AS)
TdAS(A)
TdAS(DR)
TwAS
0.40 TpC + 0.32
0.59 TpC – 3.25
2.83 TpC + 6.14
0.66 TpC – 1.65
TwDSR
TwDSW
TdDSR(DR)
TdDS(A)
2.33 TpC – 10.56
1.27 TpC + 1.67
1.97 TpC – 42.5
0.8 TpC
TdDS(AS)
TdR/W(AS)
TdDS(R/W)
TdDW(DSW)
0.59 TpC – 3.14
0.4 TpC
0.8 TpC – 15
0.4 TpC
TdDS(DW)
TdA(DR)
TdAS(DS)
TdDM(AS)
0.88 TpC – 19
4 TpC – 20
0.91 TpC – 10.7
0.9 TpC – 26.3
12
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