参数资料
型号: DS5000T/KIT
厂商: Maxim Integrated Products
文件页数: 2/19页
文件大小: 0K
描述: KIT IC EVALUATION MPU/RTC
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
类型: 微控制器
适用于相关产品: DS5000
所含物品: 演示板和软件
DS5000(T)
10 of 19
AC CHARACTERISTICS: EXPANDED
BUS MODE TIMING SPECIFICATIONS
(tA=0°C to 70°C; VCC=5V ± 5%)
#
PARAMETER
SYMBOL
MIN
MAX
UNITS
1
Oscillator Frequency
1/tCLK
1.0
16
MHz
2
ALE Pulse Width
tALPW
2tCLK -40
ns
3
Address Valid to ALE Low
tAVALL
tCLK -40
ns
4
Address Hold After ALE Low
tAVAAV
tCLK -35
ns
5
ALE Low to Valid Instr. In
@ 12 MHz
@ 16 MHz
tALLVI
4tCLK -150
4tCLK -90
ns
6
ALE Low to PSEN Low
tALLPSL
tCLK -25
ns
7
PSEN
Pulse Width
tPSPW
3tCLK -35
ns
8
PSEN
Low to Valid Instr. In
@ 12 MHz
@ 16 MHz
tPSLVI
3tCLK -150
3tCLK -90
ns
9
Input Instr. Hold after PSEN Going High
tPSIV
0
ns
10 Input Instr. Float after PSEN Going High
tPSIX
tCLK -20
ns
11 Address Hold after PSEN Going High
tPSAV
tCLK -8
ns
12 Address Valid to Valid Instr. In @ 12 MHz
@ 16 MHz
tAVVI
5tCLK -150
5tCLK -90
ns
13
PSEN
Low to Address Float
tPSLAZ
0
ns
14
RD
Pulse Width
tRDPW
6tCLK -100
ns
15
WR
Pulse Width
tWRPW
6tCLK -100
ns
16
RD
Low to Valid Data In
@ 12 MHz
@ 16 MHz
tRDLDV
5tCLK -165
5tCLK -105
ns
17 Data Hold after RD High
tRDHDV
0
ns
18 Data Float after RD High
tRDHDZ
2tCLK -70
ns
19 ALE Low to Valid Data In
@ 12 MHz
@ 16 MHz
tALLVD
8CLK -150
8tCLK -90
ns
20 Valid Addr. to Valid Data In
@ 12 MHz
@ 16 MHz
tAVDV
9tCLK -165
9tCLK -105
ns
21 ALE Low to RD or WR Low
tALLRDL
3tCLK -50
3tCLK +50
ns
22 Address Valid to RD or WR Low
tAVRDL
4tCLK -130
ns
23 Data Valid to WR Going Low
tDVWRL
tCLK -60
ns
24 Data Valid to WR High
@ 12 MHz
@ 16 MHz
tDVWRH
7tCLK -150
7tCLK -90
ns
25 Data Valid after WR High
tWRHDV
tCLK -50
ns
26
RD
Low to Address Float
tRDLAZ
0
ns
27
RD
or WR High to ALE High
tRDHALH
tCLK -40
tCLK +50
ns
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