參數(shù)資料
型號(hào)： SB83C196NP
廠商： INTEL CORP
元件分類： 微控制器/微處理器
英文描述： 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100
封裝： SQFP-100
文件頁數(shù)： 18/33頁
文件大?。?/td> 1159K
代理商： SB83C196NP
25
8XC251SA/SB/SP/SQ HIGH-PERFORMANCE CHMOS MICROCONTROLLER
AC Characteristics — Demultiplexed Bus Mode
Test Coditions: Capacitive load on all pins = 50 pF, Rise and Fall Times = 3 ns.
Table 12. AC Characteristics, Demultiplexed Bus Mode
Symbol
Parameter
V
CC = 4.5 V – 5.5 V
Units
Min
Max
The 8XC196NP Will Meet These Specifications
F
XTAL1
Input frequency on XTAL1
8
25
MHz
T
XTAL1
Period, 1/F
XTAL1
40
125
ns
T
XHCH
XTAL1 High to CLKOUT High/Low
10
110
ns
T
CLCL
CLKOUT Cycle Time
2T
XTAL1
ns
T
CHCL
CLKOUT High Period
T
XTAL1 – 10
T
XTAL1 + 10
ns
T
AVRL
A19:0, CSx# Valid to RD# Low
2T
XTAL1 – 30
ns
T
AVWL
A19:0, CSx# Valid to WR# Low
2T
XTAL1 – 25
ns
T
CLLH
CLKOUT Low to ALE High
– 10
10
ns
T
LLCH
ALE Low to CLKOUT High
– 15
10
ns
T
LHLH
ALE Cycle Time
4T
XTAL1
ns (2)
T
LHLL
ALE High Period
T
XTAL1 – 10
T
XTAL1 + 10
ns
T
AVLL
Address Valid to ALE Low
NA
ns
T
LLAX
Address Hold after ALE Low
NA
ns
T
LLRL
ALE Low to RD# Low
NA
ns
T
RLCH
RD# Low to CLKOUT High
0
15
ns
T
RLRH
RD# Low Period
2T
XTAL1 – 10
ns (2)
T
RHLH
RD# High to ALE High
T
XTAL1 – 5
T
XTAL1 + 20
NS
T
RLAZ
RD# Low to Address Float
NA
ns
T
LLWL
ALE Low to WR# Low
NA
ns
T
WLCH
WR# Low to CLKOUT High
– 5
10
ns
T
QVWH
Data Valid before WR# High
3T
XTAL1 – 37
ns (2)
T
CHWH
CLKOUT High to WR# High
– 15
5
ns
T
WLWH
WR# Low Period
2T
XTAL1 – 10
ns (2)
T
WHQX
Data Hold after WR# High
T
XTAL1 – 20
ns
T
WHLH
WR# High to ALE High
T
XTAL1 – 5
T
XTAL1 + 20
ns (3)
NOTES:
1.
Exceeding the maximum specification causes additional wait states.
2.
If wait states are used, add 2T
XTAL1 × n, where n = number of wait states.
3.
Assuming back-to-back bus cycles.
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