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SC28C94 Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. SC28C94
Description  Quad universal asynchronous receiver/transmitter QUART
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Maker  PHILIPS [NXP Semiconductors]
Homepage  http://www.nxp.com
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Philips Semiconductors
Product specification
SC28C94
Quad universal asynchronous receiver/transmitter (QUART)
1998 Aug 19
3
PIN CONFIGURATIONS
46
45
44
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
28
27
26
25
21
22
23
24
X1/CLK
TXDD
RXDD
IRQN
A5
A4
A3
A2
A1
A0
WRN
CEN
RDN
DACKN
IACKN
TXDB
RXDB
D7
D6
D5
D4
D3
D1
D0
RXDA
TXDA
I/O2B
I/O1B
I/O0B
I/O2A
I/O1A
I/O0A
I/O0C
I/O1C
I/O2C
I/O0D
I/O1D
I/O2D
RXDC
TXDC
RESET
X2
VSS
VCC
D2
VSS
VSS
RXDB
D7
D6
D5
D4
I/O3B
D1
D0
RXDA
TXDA
D2
VSS
D3
A5
IRQN
RXDD
TXDD
X1/CLK
X2
TXDC
RXDC
I/O2D
I/O1D
RESET
I/O3D
VSS
48-Pin Dual-In-Line Package
52-Pin PLCC Package
1
2
3
4
5
6
7
8
9
10
11
18
19
20
21
22
23
24
31 32
33
34
35
36
37
50
51
52
38
39
40
41
42
43
25
26
27
28
29
30
12
13
14
15
16
17
47
48
49
VSS
SD00159
Figure 2. Pin Configurations (cont.)
ABSOLUTE MAXIMUM RATINGS1, 2
SYMBOL
PARAMETER
RATING
UNIT
TA
Operating ambient temperature range3
Note 4
_C
TSTG
Storage temperature range
–65 to +150
_C
VCC
Voltage from VDD to GND4
–0.5 to +7.0
V
VS
Voltage from any pin to ground4
–0.5 to VCC +0.5
V
PD
Package power dissipation (PLCC52)
2.8
W
Package power dissipation (PDIP48)
3.1
W
Derating factor above 25
_C (PLCC52)
22
mW/
_C
Derating factor above 25
_C (PDIP48)
25
mW/
_C
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
°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 temperature range and operating
supply range.




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