SCN68681C1A44 查看數據表（PDF） - Philips Electronics
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SCN68681C1A44 Datasheet PDF : 28 Pages
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Philips Semiconductors
Dual asynchronous receiver/transmitter (DUART)
Product specification
SCN68681
PIN CONFIGURATIONS
A1 1
IP3 2
40 VCC
39 IP4
A2 3
38 IP5
IP1 4
37 IACKN
A3 5
36 IP2
A4 6
35 CSN
IP0 7
34 RESETN
R/WN 8
33 X2
DTACKN 9
32 X1/CLK
RxDB 10
31 RxDA
DIP
TxDB 11
30 TxDA
OP1 12
29 OP0
OP3 13
28 OP2
OP5 14
27 OP4
OP7 15
26 OP6
D1 16
25 D0
D3 17
24 D2
D5 18
23 D4
D7 19
22 D6
GND 20
21 INTRN
6
7
1
40
39
PLCC
17
18
1 NC
2 A1
3 IP3
4 A2
5 IP1
6 A3
7 A4
8 IP0
9 R/WN
10 DTACKN
11 RxDB
12 NC
13 TxDB
14 OP1
15 OP3
29
28
PIN/FUNCTION
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 VCC
Figure 1. Pin Configurations
SD00107
ABSOLUTE MAXIMUM RATINGS1
SYMBOL
TA
TSTG
PARAMETER
Operating ambient temperature range2
Storage temperature range
All voltages with respect to ground3
RATING
See Note 4
-65 to +150
-0.5 to +6.0
UNIT
°C
°C
V
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 +150oC 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 VCC
supply range.
1998 Sep 04
3
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