参数资料
型号: ST10R272LT6
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: 57/77页
文件大小: 707K
代理商: ST10R272LT6
60/77
ST10R272L - ELECTRICAL CHARACTERISTICS
Data hold after WR
t24
CC
5 +
tF
TCL - 5 +
tF
–ns
ALE rising edge after RD,
WR
t26
CC
-5 +
tF
-5 +
tF
–ns
Address hold after RD, WR
t28
CC
0 (no tF)
-9+
tF (tF>0)
0 (no
tF)
-9 +
tF (tF>0)
–ns
Address hold after WRH
t28h CC
-1 (no tF)
-8 +tF (tF>0)
-1 (no
tF)
-8 +
tF (tF>0)
–ns
Latched CS setup to ALE
t38
CC
-7 +
tA
3 +
tA
-7 +
tA
3 +
tA
ns
Unlatched CS setup to ALE t38u CC
3 +
tA
TCL - 7 +
tA
–ns
Latched CS low to Valid
Data In
t39
SR
13
+
tC + 2tA
3TCL - 17
+
tC + 2tA
ns
Unlatched CS low to Valid
Data In
t39u SR
23
+
tC + 2tA
4TCL - 17
+
tC + 2tA
ns
Latched CS hold after RD,
WR
t41
CC
3 +
tF
TCL - 7 +
tF
–ns
Unlatched CS hold after RD,
WR
t41u CC
0 (no tF)
-7 +tF (tF>0)
0 (no
tF)
-7 +
tF (tF>0)
–ns
Address setup to RdCs,
WrCs (with RW-delay)
t82
CC
13 +
2tA
2TCL - 7 +
2tA –ns
Address setup to RdCs,
WrCs (no RW-delay)
t83
CC
3 +
2tA
TCL - 7 +
2tA –ns
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
11 +
tC
2TCL - 9 +
tC –ns
RdCS, WrCS Low Time
(no RW-delay)
t49
CC
21 +
tC
3TCL - 9 +
tC –ns
Data valid to WrCS
t50
CC
13 +
tC
2TCL - 7 +
tC –ns
Parameter
Symbol
Max CPU Clock 50MHz
Variable CPU Clock
1/2TCL = 1 to 50 MHz
Un
it
min.
max.
min.
max.
Table 18 Demultiplexed bus
1
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