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參數(shù)資料
| 型號： | SP320ACM-L |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 5/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS232 V.35 80LQFP |
| 標(biāo)準(zhǔn)包裝： | 84 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 7/7 |
| 規(guī)程： | RS232 |
| 電源電壓： | 5V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 80-LQFP |
| 供應(yīng)商設(shè)備封裝： | 80-LQFP（14x14） |
| 包裝： | 托盤 |
2
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50) 668-707 www.exar.com
SP320_00_092208
These are stress ratings only and functional operation of the device at these ratings or any other above those indicated in the operation sections of the
specifications below is not implied. Exposure to absolute maximum rating conditions for extended periods of time may affect reliability.
V
CC.....................................................................................................+7V
Input Voltages
Logic...................................................-0.3V to (V
CC+0.5V)
Drivers................................................-0.3V to (V
CC+0.5V)
Receivers...............................................±30V at ≤100mA
Output Voltages
Logic...................................................-0.3V to (V
CC+0.5V)
Drivers.......................................................................±4V
Receivers............................................-0.3V to (V
CC+0.5V)
Storage Temperature.......................................................-65C to +150
Power Dissipation.....................................................................500mW
Package Derating
JC.......................................................................6 °C/W
JA.......................................................................46 °C/W
pArAMeter
Min.
tYp.
MAX.
Units
conditions
V.35 driVer
TTL Input Level V
IL
0.8
Volts
TTL Input Level V
IH
2.0
Volts
Voltage Outputs
Differential Outputs
±0.44
±0.55
±0.66
Volts
R
L = 100 from A to B
Source Impedance
50
00
50
Ohms
Short Circuit Impedance
35
50
65
Ohms
Measured from A=B to GND,
V
OUT = -2V to +2V
Voltage Output Offset
-0.6
+0.6
Volts
V
OFFSET = (|VA| + |VB|)/ 2
AC Characteristics
Transition Time
40
ns
Rise/Fall time, 0% to 90%
Maximum Transmission Rate
5
Mbps
R
L = 100, VDIFF OUT = 0.55V+/-20%
Propagation Delay t
PHL
50
250
ns
Measured from .5V of V
IN to 50%
of V
OUT
Propagation Delay t
PLH
50
250
ns
Measured from .5V of V
IN to 50%
of V
OUT
V.35 receiVer
TTL Output levels
V
OL
0.4
Volts
I
OUT = -3.2mA
V
OH
2.4
Volts
I
OUT = .0mA
Receiver Inputs
Differential Input Threshold
-0.3
+0.3
Volts
Input Impedance
90
00
0
Ohms
Short circuit Impedance
35
50
65
Ohms
Measured from A=B to GND,
V
IN = -2V to +2V
AC Characteristics
Maximum Transmission Rate
5
Mbps
V
IN = +/-0.55V +/-20%
Propagation Delay t
PHL
50
250
ns
Measured from 50% of V
IN to .5V
of R
OUT
Propagation Delay t
PLH
50
250
ns
Measured from 50% of V
IN to .5V
of R
OUT
ABsoLUte MAXiMUM rAtinGs
eLectricAL cHArActeristics
T
MIN to TMAX and Vcc = 5V +/-5% unless otherwise noted.
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