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HSDL-7000 Datasheet(PDF) 5 Page - Agilent(Hewlett-Packard)

Part No. HSDL-7000
Description  IR 3/16 Encode/Decode IC
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Maker  HP [Agilent(Hewlett-Packard)]
Homepage  http://www.home.agilent.com
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HSDL-7000 Datasheet(HTML) 5 Page - Agilent(Hewlett-Packard)

   
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Recommended Operating Conditions
(TA= -40 to +85°C)
Parameter
Symbol
Min.
Typ.
Max.
Units
Conditions
Supply Voltage
VCC
2.7
5.0
5.5
V
CMOS level
Input Voltage
VI
0.0
VCC
V
CMOS level
Ambient Temperature
TA
-40
+85
°C
CMOS level
High Level Input Voltage
VIH
0.7 VCC
VCC
V
CMOS level
Low Level Input Voltage
VIL
0.0
0.3 VCC
V
CMOS level
Positive Trigger Voltage
VP
1.61
4.00
V
CMOS level
Negative Trigger Voltage
VN
0.55
3.10
V
CMOS level
Hysteresis Voltage
VH
0.50
2.00
V
CMOS level
Power Dissipation
PDISS
4.9
220
mW
f16XCLK = 2 MHz
Input Rise Time
tri
200
ns
f16XCLK = 2 MHz
Input Fall Time
tfa
200
ns
f16XCLK = 2 MHz
Max Clk Frequency (16XCLK)
f16XCLK
2
MHz
Minimum Pulse Width (IR_TXD)*
tmpx
250
ns
f16XCLK = 2 MHz
*IrDA Parameters. The Max Clk Frequency represents the maximum clock frequency to drive the HSDL-7000’s internal state machine.
Under normal circumstances, this clock input should not exceed 16 * 115.2 Kbp/s or 1.8432 MHz. This product can operate at higher
clock rates, but the above is the recommended rate.
The Minimum Pulse Width represents the minimum pulse width of the encoded IR_TXD pulse (and the IR_RCV pulse). As per the IrDA
specifications, the minimum pulse width of the IR_TXD and IR_RCV pulses should be 3 * (1/1.8432 MHz) or 1.63
µs. The minimum
pulse width specified for the HSDL-7000 is 250 ns, which is within IrDA specification. Under normal circumstances, the pulse width
should not be less than 1.63
µs.
Application Circuits
HSDL-7000 Connection to UART
TXD
HSDL-1000
HSDL-7000
RCV
IR_TXD
IR_RCV
SOUT
BAUDOUT
TXD
16XCLK
RCV
UART 16550
SIN
Note: At the time of this publication, Light Emitting Diodes (LEDs) that are contained in this product are regulated for eye safety in
Europe by the Commission for European Electrotechnical Standardization (CENELEC) EN60825-1. Please refer to Application Briefs
I-008, I-009, I-015 for more information.


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