参数资料
型号: ST10R172LT6
厂商: STMICROELECTRONICS
元件分类: 微控制器/微处理器
英文描述: 16-BIT, 50 MHz, MICROCONTROLLER, PQFP100
封装: 14 X 14 MM, TQFP-100
文件页数: 40/68页
文件大小: 657K
代理商: ST10R172LT6
45/68
ST10R172L - ELECTRICAL CHARACTERISTICS
RdCS to Valid Data In
(with RW delay)
t46
SR
3 +
tC
2TCL - 17
+
tC
ns
RdCS to Valid Data In
(no RW delay)
t47
SR
13 +
tC
3TCL - 17
+
tC
ns
RdCS, WrCS Low Time
(with RW delay)
t48
CC
13 +
tC
2TCL - 7+
tC
–ns
RdCS, WrCS Low Time
(no RW delay)
t49
CC
23 +
tC
3TCL - 7+
tC
–ns
Data valid to WrCS
t50
CC
10 +
tC
2TCL - 10 +
tC –ns
Data hold after RdCS
t51
SR
0–0
ns
Data float after RdCS1 2
t52
SR
13 +
tF
2
2TCL - 7 +
tF
2
ns
Address hold after
RdCS, WrCS
t54
CC
10 +
tF
2TCL - 10 +
tF –ns
Data hold after WrCS
t56
CC
10 +
tF
2TCL - 10 +
tF –ns
1) Output loading is specified using Figure 10 (CL = 5 pF).
2) This delay assumes that the following bus cycle is a multiplexed bus cycle. If next bus cycle
is demultiplexed, refer to demuxultiplexed equivalent AC timing.
Parameter
Symbol
Max. CPU Clock
= 50 MHz
Variable CPU Clock
1/2TCL = 1 to 50 MHz
Un
it
min.
max.
min.
max.
Table 14 Multiplexed bus
1
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