参数资料
型号: Z86L72
厂商: ZiLOG, Inc.
英文描述: IR MICROCONTROLLER
中文描述: 红外单片机
文件页数: 14/71页
文件大小: 364K
代理商: Z86L72
Z86C72/C92/L72/L92
IR Microcontroller
Zilog
6-14
P R E L I M I N A R Y
DS97LVO0900
AC CHARACTERISTICS (Z86L72/L92 LOW VOLTAGE SPECIFICATIONS)
Preliminary
External I/O or Memory Read and Write Timing Table
T
A
= 0
°
C to +70
°
C
8.0MHz
Min
55
55
70
70
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
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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