參數(shù)資料
型號(hào): SAF-C161S-L25M
廠商: INFINEON TECHNOLOGIES AG
元件分類: 微控制器/微處理器
英文描述: 16-BIT, 25 MHz, MICROCONTROLLER, PQFP80
封裝: PLASTIC, MQFP-80
文件頁(yè)數(shù): 61/75頁(yè)
文件大?。?/td> 1315K
代理商: SAF-C161S-L25M
C161S
Timing Characteristics
Data Sheet
60
V1.0, 2003-11
Table 18
Demultiplexed Bus (Standard Supply Voltage Range)
(Operating Conditions apply)
ALE cycle time = 4 TCL + 2
t
A + tC + tF (80 ns at 25 MHz CPU clock without waitstates)
Parameter
Symbol
Max. CPU Clock
= 25 MHz
Variable CPU Clock
1 / 2TCL = 1 to 25 MHz
Unit
Min.
Max.
Min.
Max.
ALE high time
t
5
CC 10 +
t
A
TCL - 10
+
t
A
ns
Address setup to ALE
t
6
CC 4 +
t
A
TCL - 16
+
t
A
ns
ALE falling edge to RD,
WR (with RW-delay)
t
8
CC 10 +
t
A
TCL - 10
+
t
A
ns
ALE falling edge to RD,
WR (no RW-delay)
t
9
CC -10 +
t
A
-10
+
t
A
ns
RD, WR low time
(with RW-delay)
t
12
CC 30 +
t
C
2TCL - 10
+
t
C
ns
RD, WR low time
(no RW-delay)
t
13
CC 50 +
t
C
3TCL - 10
+
t
C
ns
RD to valid data in
(with RW-delay)
t
14
SR –
20 +
t
C
2TCL - 20
+
t
C
ns
RD to valid data in
(no RW-delay)
t
15
SR –
40 +
t
C
3TCL - 20
+
t
C
ns
ALE low to valid data in
t
16
SR –
40 +
t
A + tC
3TCL - 20
+
t
A + tC
ns
Address to valid data in
t
17
SR –
50 +
2
t
A + tC
4TCL - 30
+ 2
t
A + tC
ns
Data hold after RD
rising edge
t
18
SR 0
0
ns
Data float after RD rising
edge (with RW-delay
1))
t
20
SR –
26 +
2
t
A + tF
2TCL - 14
+ 22
t
A
+
t
F
ns
Data float after RD rising
edge (no RW-delay
t
21
SR –
10 +
2
t
A + tF
TCL - 10
+ 22
t
A
+
t
F
ns
Data valid to WR
t
22
CC 20 +
t
C
2TCL - 20
+
t
C
ns
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