參數(shù)資料
型號: L8708H
廠商: ZiLOG, Inc.
英文描述: IR/Low-Voltage Microcontroller
中文描述: 紅外/低電壓微控制器
文件頁數(shù): 13/66頁
文件大?。?/td> 599K
代理商: L8708H
Z86L88/81/86/87/89/73
IR/Low-Voltage Microcontroller
DS96LV00800
P R E L I M I N A R Y
13
1
AC CHARACTERISTICS
Preliminary
External I/O or Memory Read and Write Timing Table
T
A
= 0
°
C to +70
°
C
8.0MHz
No
1
Symbol
TdA(AS)
Parameter
V
CC
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
2.0V
3.9V
Min
55
55
70
70
Max
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
Notes
2
Address Valid to
/AS Rising Delay
/AS Rising to Address
Float Delay
/AS Rising to Read
Data Required Valid
/AS Low Width
2
TdAS(A)
2
2
3
TdAS(DR)
400
400
1,2
4
TwAS
80
80
0
0
300
300
165
165
2
5
Td
Address Float to
/DS Falling
/DS (Read) Low Width
6
TwDSR
1,2
7
TwDSW
/DS (Write) Low Width
1,2
8
TdDSR(DR)
/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
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
/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
260
260
1,2
9
ThDR(DS)
0
0
85
95
60
70
70
70
70
70
80
80
70
80
2
10
TdDS(A)
2
11
TdDS(AS)
2
12
TdR/W(AS)
2
13
TdDS(R/W)
2
14
TdDW(DSW)
2
15
TdDS(DW)
2
16
TdA(DR)
475
475
1,2
17
TdAS(DS)
100
100
55
55
70
70
70
70
2
18
TdDM(AS)
2
19
TdDS(DM)
20
ThDS(A)
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 V
CC
for a logic 1 and 0.1 V
CC
for a logic 0.
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