Z86E2116FEC View Datasheet(PDF) - Zilog
Part Name
Description
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Z86E2116FEC Datasheet PDF : 12 Pages
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AC CHARACTERISTICS
External I/O or Memory Read and Write Timing Table
No Symbol
1 TdA(AS)
2 TdAS(A)
3 TdAS(DR)
4 TwAS
Parameter
Address Valid to /AS Rise Delay
/AS Rise to Address Float Delay
/AS Rise to Read Data Req’d Valid
/AS Low Width
TA = 0°C to 70°C
12 MHz 16 MHz
TA = -40°C to 105°C
12 MHz 16 MHz
Max Min Max Min Max Min Max Min Units Notes
35
20
35
25
ns [2,3]
45
30
45
35
ns [2,3]
220
180
250
180 ns [1,2,3]
55
35
55
40
ns [2,3]
5 TdAZ(DS) Address Float to /DS Fall
6 TwDSR
/DS (Read) Low Width
7 TwDSW
/DS (Write) Low Width
8 TdDSR(DR) /DS Fall to Read Data Req’d Valid
0
0
0
0
185
135
185
135
110
80
110
80
130
75
130
75
ns
ns [1,2,3]
ns [1,2,3]
ns [1,2,3]
9 ThDR(DS) Read Data to /DS Rise Hold Time
10 TdDS(A) /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
0
0
0
0
45
35
65
50
55
30
45
35
30
20
33
25
ns [2,3]
ns [2,3]
ns [2,3]
ns [2,3]
13 TdDS(R/W) /DS Rise to R//W Not Valid
35
30
50
35
ns [2,3]
14 TdDW(DSW) Write Data Valid to /DS Fall (Write) Delay 35
25
35
25
ns [2,3]
15 TdDS(DW) /DS Rise to Write Data Not Valid Delay
35
30
55
35
ns [2,3]
16 TdA(DR) Address Valid to Read Data Req’d Valid
255
200
310
230 ns [1,2,3]
17 TdAS(DS)
18 TdDI(DS)
19 TdDM(AS)
/AS Rise to /DS Fall Delay
Data Input Setup to /DS Rise
/DM Valid to /AS Fall Delay
55
40
65
45
75
60
75
60
50
30
50
30
ns [2,3]
ns [1,2,3]
ns [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.
Number
Clock Dependent Formulas
Symbol
Equation
Standard Test Load
1
All timing references use 2.0V for a logic 1 and 0.8V for a logic 0.
2
3
4
TdA(AS)
TdAS(A)
TdAS(DR)
TwAS
0.40TpC + 0.32
0.59TpC - 3.25
2.38TpC + 6.14
0.66TpC - 1.65
6
TwDSR
2.33TpC - 10.56
7
TwDSW
1.27TpC + 1.67
8
TdDSR(DR)
1.97TpC - 42.5
10
TdDS(A)
0.8TpC
11
TdDS(AS)
0.59TpC - 3.14
12
TdR/W(AS)
0.4TpC
13
TdDS(R/W)
0.8TpC - 15
14
TdDW(DSW)
0.4TpC
15
TdDS(DW)
0.88TpC - 19
16
TdA(DR)
4TpC - 20
17
TdAS(DS)
0.91TpC - 10.7
18
TsDI(DS)
0.8TpC - 10
19
TdDM(AS)
0.9TpC - 26.3
9
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