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: 49/77页
文件大小: 707K
代理商: ST10R272LT6
53/77
ST10R272L - ELECTRICAL CHARACTERISTICS
Data hold after RD
rising edge
t18
SR
0
–0
ns
Data float after RD rising
edge 12))
t19
SR
15 +
tF
2
2TCL - 5 +
tF
2
ns
Data valid to WR
t22
CC
13 +
tC
2TCL - 7 +
tC
–ns
Data hold after WR
t23
CC
13 +
tF
2TCL - 7+
tF
–ns
ALE rising edge after RD,
WR
t25
CC
10 +
tF
2TCL - 10 +
tF –ns
Address hold after RD, WR
t27
CC
10 +
tF
2TCL - 10 +
tF –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
t40
CC
20 +
tF
3TCL - 10 +
tF –ns
Unlatched CS hold after
RD, WR
t40u CC 10 + tF
2TCL - 10 +
tF –ns
ALE fall. edge to RdCS,
WrCS (with RW delay)
t42
CC
7 +
tA
TCL - 3 +
tA
–ns
ALE fall. edge to RdCS,
WrCS (no RW delay)
t43
CC
-3 +
tA
-3 +
tA
–ns
Address float after RdCS
(with RW delay)1
t44
CC
31
31
ns
Address float after RdCS
(no RW delay)1
t45
CC
131
TCL + 31
ns
Parameter
Symbol
Max. CPU Clock
= 50 MHz
Variable CPU Clock
1/2TCL = 1 to 50 MHz
Un
it
min.
max.
min.
max.
Table 17 Multiplexed bus
1
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