參數(shù)資料
型號： SAB88C166W-5M
廠商： SIEMENS A G
元件分類： 微控制器/微處理器
英文描述： 16-Bit CMOS Single-Chip Microcontrollers with/without oscillator prescaler with 32 KByte Flash EPROM
中文描述： 16-BIT, FLASH, 20 MHz, MICROCONTROLLER, PQFP100
文件頁數(shù)： 46/58頁
文件大?。?/td> 611K
代理商： SAB88C166W-5M
SAB 88C166(W)
Semiconductor Group
45
AC Characteristics
(cont’d)
Demultiplexed Bus for the SAB 88C166W
V
CC
= 5 V
±
10 %;
V
SS
= 0 V
T
A
= 0 to + 70 C
for SAB 88C166W-M
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)
Parameter
Symbol
CPU Clock = 16 MHz
Duty cycle 0.4 to 0.6
Variable CPU Clock
1/CLP = 1 to 20 MHz
Unit
min.
15 +
t
A
max.
min.
max.
ALE high time
t
5
CC
–
TCL
min
– 10
+
t
A
TCL
min
– 15
+
t
A
TCL
min
– 10
+
t
A
– 10
+
t
A
CLP – 10
+
t
C
CLP+TCL
min
– 10 +
t
C
–
–
ns
Address setup to ALE
t
6
CC
10 +
t
A
–
–
ns
ALE falling edge to RD,
WR (with RW-delay)
t
8
CC
15 +
t
A
–
–
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
52.5 +
t
C
–
–
ns
RD, WR low time
(no RW-delay)
t
13
CC
77.5 +
t
C
–
–
ns
RD to valid data in
(with RW-delay)
t
14
SR
–
47.5 +
t
C
CLP – 20
+
t
C
CLP+TCL
min
– 20 +
t
C
CLP+TCL
min
– 20 +
t
A
+
t
C
2CLP – 25
+
2
t
A
+
t
C
–
ns
RD to valid data in
(no RW-delay)
t
15
SR
–
72.5 +
t
C
–
ns
ALE low to valid data in
t
16
SR
–
72.5
+
t
A
+
t
C
100
+
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
–
47.5 +
t
F
–
CLP – 15
+
t
F
TCL
min
– 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
47.5 +
t
C
–
CLP – 15
+
t
C
TCL
min
– 10
+
t
F
ns
Data hold after WR
t
24
CC
15 +
t
F
–
–
ns
相關(guān)PDF資料
PDF描述
SAB88C166 16-Bit CMOS Single-Chip Microcontrollers with/without oscillator prescaler with 32 KByte Flash EPROM
SAB88C166-5M 16-Bit CMOS Single-Chip Microcontrollers with/without oscillator prescaler with 32 KByte Flash EPROM
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