參數(shù)資料
型號: Z8913820FSC
廠商: ZILOG INC
元件分類: 數(shù)字信號處理
英文描述: 8-BIT, 20.48 MHz, MIXED DSP, PQFP100
封裝: QFP-100
文件頁數(shù): 9/65頁
文件大?。?/td> 2054K
代理商: Z8913820FSC
Z89138/Z89139
Zilog
Voice Processing Controllers
DS97TAD0201
P R E L I M I N A R Y
17
1
AC CHARACTERISTICS
External I/O or Memory Read and Write Timing Table
VCC
TA= 0°C to +55°C
No
Symbol
Parameter
Note [4]
Min
Max
Units
Notes
1
TdA(AS)
Address Valid to /AS Rise Delay
5.0V
25
ns
2,3
2
TdAS(A)
/AS Rise to Address Float Delay
5.0V
35
ns
2,3
3
TdAS(DR)
/AS Rise to Read Data Req’d Valid
5.0V
150
ns
1,2,3
4
TwAS
/AS Low Width
5.0V
35
ns
2,3
5
TdAZ(DS)
Address Float to /DS Fall
5.0V
0
ns
6
TwDSR
/DS (Read) Low Width
5.0V
125
ns
1,2,3
7
TwDSW
/DS (Write) Low Width
5.0V
75
ns
1,2,3
8
TdDSR(DR)
/DS Fall to Read Data Req’d Valid
5.0V
90
ns
1,2,3
9
ThDR(DS)
Read Data to /DS Rise Hold Time
5.0V
0
ns
2,3
10
TdDS(A)
/DS Rise to Address Active Delay
5.0V
40
ns
2,3
11
TdDS(AS)
/DS Rise to /AS Fall Delay
5.0V
35
ns
2,3
12
TdR/W(AS)
R//W Valid to /AS Rise Delay
5.0V
25
ns
2,3
13
TdDS(R/W)
/DS Rise to R//W Not Valid
5.0V
35
ns
2,3
14
TdDW(DSW)
Write Data Valid to /DS Fall (Write) Delay
5.0V
40
ns
2,3
15
TdDS(DW)
/DS Rise to Write Data Not Valid Delay
5.0V
25
ns
2,3
16
TdA(DR)
Address Valid to Read Data Req’d Valid
5.0V
180
ns
1,2,3
17
TdAS(DS)
/AS Rise to /DS Fall Delay
5.0V
48
ns
2,3
18
TdDI(DS)
Data Input Setup to /DS Rise
5.0V
50
ns
1,2,3
19
TdDM(AS)
/DM Valid to /AS Fall Delay
5.0V
20
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.
4. 5.0V
±0.5 V.
Standard Test Load
All timing references use 0.9 VCC for a logic 1 and 0.1 VCC for a logic 0.
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