参数资料
型号: DS2251T-128-16
厂商: DALLAS SEMICONDUCTOR
元件分类: Microcontroller
英文描述: 8-BIT, MICROCONTROLLER, SMA72
封装: SIMM-72
文件页数: 7/20页
文件大小: 654K
代理商: DS2251T-128-16
DS2251T
15 of 20
SERIAL PORT TIMING - MODE 0
AC CHARACTERISTICS (cont'd)
PARALLEL PROGRAM LOAD TIMING
(tA=0C to70C; VCC=5V
± 10%)
#
PARAMETER
SYMBOL
MIN
MAX
UNITS
41
Pulse Width of PE 3-4
tCEPW
4tCLK-35
ns
45
Byte-wide Address Hold after PE 3-4 High
During MOVX
tCEHDA
4tCLK-30
ns
46
Delay from Byte-wide Address Valid PE 3-4
Low During MOVX
tCELDA
4tCLK-35
ns
47
Byte-wide Data Setup to PE 3-4 High During
MOVX (read)
tDACEH
1tCLK+40
ns
48
Byte-wide Data Hold after PE 3-4 High
During MOVX (read)
tCEHDV
10
ns
49
Byte-wide Address Valid to R/ W Active
During MOVX (write)
tAVRWL
3tCLK-35
ns
50
Delay from R/ W Low to Valid Data Out
During MOVX (write)
tRWLDV
20
ns
51
Valid Data Out Hold Time from PE 3-4 High
tCEHDV
1tCLK-15
ns
52
Valid Data Out Hold Time from R/ W High
tRWHDV
0ns
53
Write Pulse Width (R/ W Low Time)
tRWLPW
6tCLK-20
ns
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相关代理商/技术参数
参数描述
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