參數(shù)資料
型號: 83C166
廠商: SIEMENS AG
英文描述: 16-Bit CMOS Single-Chip Microcontroller
中文描述: 16位CMOS單芯片微控制器
文件頁數(shù): 42/52頁
文件大小: 541K
代理商: 83C166
SAB 80C166/83C166
Semiconductor Group
41
AC Characteristics
(cont’d)
Demultiplexed Bus
V
CC
= 5 V
±
10 %;
T
A
= 0 to +70 C
T
A
= -40 to +85 C
C
L
(for Port 0, Port 1, Port 4, ALE, RD, WR, BHE, CLKOUT) = 100 pF
ALE cycle time = 4 TCL + 2
t
A
+
t
C
+
t
F
(100 ns at 20-MHz CPU clock without waitstates)
V
SS
= 0 V
for SAB 83C166-5M, SAB 80C166-M
for SAB 83C166-5M-T3, SAB 80C166-M-T3
Parameter
Symbol
Max. CPU Clock
= 20 MHz
Variable CPU Clock
1/2TCL = 1 to 20 MHz
Unit
min.
max.
min.
TCL - 10 +
t
A
TCL - 15 +
t
A
TCL - 10
+
t
A
-10
+
t
A
2TCL - 10
+
t
C
3TCL - 10
+
t
C
max.
ALE high time
t
5
t
6
t
8
CC 15 +
t
A
CC 10 +
t
A
CC 15 +
t
A
ns
Address setup to ALE
ns
ALE falling edge to RD,
WR (with RW-delay)
ns
ALE falling edge to RD,
WR (no RW-delay)
t
9
CC -10 +
t
A
ns
RD, WR low time
(with RW-delay)
t
12
CC 40 +
t
C
ns
RD, WR low time
(no RW-delay)
t
13
CC 65 +
t
C
ns
RD to valid data in
(with RW-delay)
t
14
SR –
30 +
t
C
2TCL - 20
+
t
C
3TCL - 20
+
t
C
3TCL - 20
+
t
A
+
t
C
4TCL - 25
+
2
t
A
+
t
C
ns
RD to valid data in
(no RW-delay)
t
15
SR –
55 +
t
C
ns
ALE low to valid data in
t
16
SR –
55
+
t
A
+
t
C
75
+
2
t
A
+
t
C
ns
Address to valid data in
t
17
SR –
ns
Data hold after RD
rising edge
t
18
SR 0
0
ns
Data float after RD rising
edge (with RW-delay)
t
20
SR –
35 +
t
F
2TCL - 15
+
t
F
TCL - 10
+
t
F
ns
Data float after RD rising
edge (no RW-delay)
t
21
SR –
15 +
t
F
ns
Data valid to WR
t
22
CC 35 +
t
C
2TCL - 15
+
t
C
TCL - 10 +
t
F
ns
Data hold after WR
t
24
CC 15 +
t
F
ns
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