A
參數(shù)資料
型號(hào): SP3508EB
廠商: Exar Corporation
文件頁數(shù): 23/36頁
文件大?。?/td> 0K
描述: BOARD EVALUATION FOR SP3508
標(biāo)準(zhǔn)包裝: 1
主要目的: 接口,收發(fā)器,RS-232,RS-449,EIA-530(A),X.21
嵌入式:
已用 IC / 零件: SP3508
主要屬性: 內(nèi)部線路或數(shù)字回路測試
次要屬性: 8 個(gè)驅(qū)動(dòng)器和 8 個(gè)接收器
已供物品:
其它名稱: 1016-1626
3
Exar Corporation 48720 Kato Road, Fremont CA, 94538 (50)668-707 www.exar.com
SP3508_00_072208
ELECTRICAL SPECIFICATIONS
T
A = 0 to 70°C and VCC = 3.3V ± 5% unless otherwise noted. The denotes the specifications which apply over the full operating tempera-
ture range (-40°C to +85°C), unless otherwise specified.
PARAMETER
MIN.
TYP.
MAX.
UNITS
CONDITIONS
V.28 RECEIVER DC Parameters (Inputs)
Input Impedance
3
7
k
Per Figure 7
Open-Circuit Bias
+2.0
V
Per Figure 8
HIGH Threshold
.7
3.0
V
LOW Threshold
0.8
.2
V
V.28 RECEIVER AC Parameters
V
CC = 3.3V for AC parameters
Propagation Delay: t
PHL
00
500
ns
Propagation Delay: t
PLH
00
500
ns
Max. Transmission Rate
20
230
kbps
V.10 DRIVER DC Parameters (Outputs)
Open Circuit Voltage
+/-4.0
+/-6.0
V
Per Figure 9
Test-Terminated Voltage
0.9V
CC
V
Per Figure 0
Short-Circuit Current
+/-50
mA
Per Figure
Power-Off Current
+/-00
A
Per Figure 2
V.10 DRIVER AC Parameters (Outputs)
V
CC = 3.3V for AC parameters
Transition Time
200
ns
Per Figure 3, 0% to 90%
Propagation Delay: t
PHL
00
500
ns
Propagation Delay: t
PLH
00
500
ns
Max. Transmission Rate
20
kbps
V.10 RECEIVER DC Parameters (Inputs)
Input Current
-3.25
+3.25
mA
Per Figures 4 and 5
Input Impedance
4
k
Sensitivity
+/-0.3
V
V.10 RECEIVER AC Parameters
V
CC = 3.3V for AC parameters
Propagation Delay: t
PHL
20
250
ns
Propagation Delay: t
PLH
20
250
ns
Max. Transmission Rate
20
kbps
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