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PDF SC28L92A1B Data sheet ( Hoja de datos )

Número de pieza SC28L92A1B
Descripción 3.3V-5.0V Dual Universal Asynchronous Receiver/Transmitter DUART
Fabricantes NXP Semiconductors 
Logotipo NXP Semiconductors Logotipo



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INTEGRATED CIRCUITS
SC28L92
3.3V–5.0V Dual Universal Asynchronous
Receiver/Transmitter (DUART)
Product specification
Supersedes data of 1999 May 07
IC19 Data Handbook
2000 Jan 21
Philips
Semiconductors

1 page




SC28L92A1B pdf
Philips Semiconductors
3.3V–5.0V Dual Universal Asynchronous
Receiver/Transmitter (DUART)
Product specification
SC28L92
PIN CONFIGURATION DIAGRAM
68XXX PIN CONFIGURATION
44 34
1 33
PQFP
11 23
Pin Function
1 A3
2 IP0
3 R/WN
4 DACKN
5 RxDB
6 TxDB
7 OP1
8 OP3
9 OP5
10 OP7
11 I/M
12 D1
13 D3
14 D5
15 D7
12 22
Pin Function
16 GND
17 GND
18 INTRN
19 D6
20 D4
21 D2
22 D0
23 NC
24 OP6
25 OP4
26 OP2
27 OP0
28 TxDA
29 RxDA
30 x1/clk
Pin Function
31 x2
32 RESETN
33 CEN
34 IP2
35 IACKN
36 IP5
37 IP4
38 VCC
39 VCC
40 A0
41 IP3
42 A1
43 IP1
44 A2
SD00673
6
7
1 40
39
PLCC
17
18
29
28
Pin Function
1 NC
2 A0
3 IP3
4 A1
5 IP1
6 A2
7 A3
8 IP0
9 R/WN
10 DACKN
11 RxDB
12 I/M
13 TxDB
14 OP1
15 OP3
Pin Function
16 OP5
17 OP7
18 D1
19 D3
20 D5
21 D7
22 VSS
23 NC
24 INTRN
25 D6
26 D4
27 D2
28 D0
29 OP6
30 OP4
Pin Function
31 OP2
32 OP0
33 TxDA
34 NC
35 RxDA
36 X1/CLK
37 X2
38 RESETN
39 CEN
40 IP2
41 IACKN
42 IP5
43 IP4
44 VCC
SD00674
2000 Jan 21
5

5 Page





SC28L92A1B arduino
Philips Semiconductors
3.3V–5.0V Dual Universal Asynchronous
Receiver/Transmitter (DUART)
Product specification
SC28L92
DC ELECTRICAL CHARACTERISTICS1, 2, 3
VCC = 3.3V ± 10%, Tamb = –40°C to +85°C, unless otherwise specified.
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
Min Typ Max UNIT
VIL Input low voltage
VIH Input high voltage
0.8*VCC
0.65
1.7
0.2*VCC
V
V
VOL Output low voltage
VOH Output high voltage (except OD outputs)4
IOL = 2.4mA
IOH = –400µA
VCC–0.5
0.2
VCC–0.2
0.4
V
V
IIX1PD
IILX1
IIHX1
X1/CLK input current - power down
X1/CLK input low current - operating
X1/CLK input high current - operating
Input leakage current:
VIN = 0 to VCC
VIN = 0
VIN = VCC
–0.5 0.05 +0.5 µA
–80 0 µA
0 80 µA
II
IOZH
IOZL
IODL
IODH
All except input port pins
Input port pins5
Output off current high, 3-State data bus
Output off current low, 3-State data bus
Open-drain output low current in off-state
Open-drain output high current in off-state
Power supply current6
VIN = 0 to VCC
VIN = 0 to VCC
VIN = VCC
VIN = 0V
VIN = 0
VIN = VCC
–0.5 0.05 +0.5 µA
–8 0.5 +0.5 µA
0.5 µA
–0.5 µA
–0.5 µA
0.5 µA
ICC Operating mode
Power down mode
CMOS input levels
CMOS input levels
5 mA
1 5.0 mA
NOTES:
1. Parameters are valid over specified temperature and voltage range.
2. All voltage measurements are referenced to ground (GND). For testing, all inputs swing between 0.4V and 3.0V with a transition time of
5ns maximum. For X1/CLK, this swing is between 0.4V and 0.8*VCC. All time measurements are referenced at input voltages of 0.8V and
2.0V and output voltages of 0.8V and 2.0V, as appropriate.
3. Typical values are at +25°C, typical supply voltages, and typical processing parameters.
4. Test conditions for outputs: CL = 125pF, except open drain outputs. Test conditions for open drain outputs: CL = 125pF,
constant current source = 2.6mA.
5. Input port pins have active pull-up transistors that will source a typical 2µA from VCC when the input pins are at VSS.
Input port pins at VCC source 0.0µA.
6. All outputs are disconnected. Inputs are switching between CMOS levels of VCC –0.2V and VSS+0.2V.
2000 Jan 21
11

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