參數(shù)資料
型號(hào)： SCN68681E1N40
廠商： NXP SEMICONDUCTORS
元件分類： 微控制器/微處理器
英文描述： Dual asynchronous receiver/transmitter DUART
中文描述： 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDIP40
文件頁(yè)數(shù)： 3/28頁(yè)
文件大小： 187K
代理商： SCN68681E1N40
Philips Semiconductors
Product specification
SCN68681
Dual asynchronous receiver/transmitter (DUART)
1998 Sep 04
3
PIN CONFIGURATIONS
1
39
17
28
40
29
18
7
PLCC
6
PIN/FUNCTION
1
2
3
4
5
6
7
8
9
10 R/WN
11
RxDB
12 NC
13 TxDB
14 OP1
15 OP3
NC
A1
IP3
A2
IP1
A3
A4
IP0
16 OP5
17 OP7
18 D1
19 D3
20 D5
21 D7
22 GND
23 NC
24 INTRN
25 D6
26 D4
27 D2
28 D0
29 OP6
30 OP4
31 OP2
32 OP0
33 TxDA
34 NC
35 RxDA
36 X1/CLK
37 X2
38 RESETN
39 CSN
40 IP2
41 IACKN
42 IP5
43 IP4
44 V
CC
24
23
22
21
20
19
18
17
16
15
28
27
12
10
11
9
8
7
6
5
4
3
2
1
14
13
26
25
29
30
31
32
33
34
35
36
37
38
39
40
DIP
V
CC
IP4
IP5
IACKN
IP2
CSN
RESETN
X2
X1/CLK
RxDA
TxDA
OP0
OP2
OP4
OP6
D0
D2
D4
D6
INTRN
A1
IP3
A2
IP1
A3
A4
IP0
R/WN
DTACKN
RxDB
TxDB
OP1
OP3
OP5
OP7
D1
D3
D5
D7
GND
SD00107
Figure 1. Pin Configurations
ABSOLUTE MAXIMUM RATINGS
1
SYMBOL
T
A
Operating ambient temperature range
2
T
STG
Storage temperature range
All voltages with respect to ground
3
NOTES:
1. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any other condition above those indicated in the operation section of this specification is not
implied.
2. For operating at elevated temperatures, the device must be derated based on +150
o
C maximum junction temperature.
3. This product includes circuitry specifically designed for the protection of its internal devices from damaging effects of excessive static
charge. Nonetheless, it is suggested that conventional precautions be taken to avoid applying any voltages larger than the rated maxima.
4. Parameters are valid over specified temperature range. See Ordering information table for applicable operating temperature range and V
CC
supply range.
PARAMETER
RATING
See Note 4
-65 to +150
-0.5 to +6.0
UNIT
°
C
°
C
V
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