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參數(shù)資料
| 型號： | SP3245EEY-L/TR |
| 廠商： | Exar Corporation |
| 文件頁數(shù)： | 17/22頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS233 28TSSOP |
| 產(chǎn)品變化通告： | Packaging Change 15/Jul/2010 |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 3/5 |
| 規(guī)程： | RS232 |
| 電源電壓： | 3 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-TSSOP（0.173"，4.40mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-TSSOP |
| 包裝： | 帶卷 (TR) |
4
Exar Corporation 48720 Kato Road, Fremont CA, 94538 50-668-707 www.exar.com
SP3244E_SP3245E_00_2509
ELECTRICAL CHARACTERISTICS
PARAmETERS
Symb
TEST CONDITIONS
mIN.
TyP.
mAx. UNIT
Receiver Inputs
Input Voltage Range
+5
-5
V
Input Threshold Low
Vcc = 3.3V
0.6
.0
V
Vcc = 5.0V
0.8
.2
Input Threshold High
Vcc = 3.3V
.2
2.4
V
Vcc = 5.0V
.7
2.4
V
Input Hysteresis
200
mV
Input Resistance
Ta = 25C
3
5
7
k
Driver Outputs
Output Voltage Swing
Vo
All transmitter outputs loaded
with 3k to GND
±5.0
±5.4
V
Output load = Open Circuit
±5.0
Short Circuit Current
Vout = 0V
±00
mA
Power-Off Impedance
Vcc = V+ = V- = 0, transmitter
outputs = ±2V
300
10M
Output Leakage Current
Vcc = 0 or 3V to 3.3V,
Vout = ±12V, Drivers disabled
±25
A
Mouse Drivability
TIN = T2IN = GND, T3IN =
Vcc, T3 loaded with 3k to
GND, TOUT and T2OUT
loaded with 2.5mA each, Ta =
25C
±5.0
V
ESD Protection
ESD Protection for RxIn,
TxOut pins
Human Body Model
±5
kV
All Other Pins
Human Body Model
±2
kV
Auto On-Line Plus (ONLINE = gND, SHUTDOWN = Vcc)
Rx Input Threshold to
STATUS Output High
±2.7
V
Rx Input Threshold to
STATUS Output Low
±0.3
V
Threshold to STATUS High
tsth
0.4
μs
Threshold to STATUS Low
tstl
30
μs
Rx or Tx Transition to
Drivers Enabled
tonline
00
μs
Last Rx or Tx Transition to
Drivers Disabled
toffline
Note
5
30
60
sec
Note 1: Characterized, not 100% tested
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