參數(shù)資料
型號: BTF1A
英文描述: Dual Differential Transceiver BTF1A With Idle Bus Indicator
中文描述: 雙差分收發(fā)器BTF1A有空閑巴士指標
文件頁數(shù): 9/16頁
文件大?。?/td> 252K
代理商: BTF1A
Data Sheet
March 2001
Agere Systems Inc.
9
With Idle Bus Indicator
Dual Differential Transceiver BTF1A
Timing Characteristics
(continued)
12-2538.b(F)
* E2 = 1 while E1 changes state.
E1 = 0 while E2 changes state.
Figure 6. Receiver Enable and Disable Timing
V = 0.5 V
V = 0.5 V
V = 0.5 V
V = 0.5 V
E1*
OUTPUT
t
PHZ
t
PZH
3 V
1.5 V
0 V
E2
3 V
1.5 V
0 V
V
OH
V
OL
t
PZL
t
PLZ
Test Conditions
Parametric values specified under the Electrical Char-
acteristics and Timing Characteristics sections for the
data transmission driver devices are measured with the
following output load circuits.
12-2271.a(F)
Figure 7. Driver Propagation Delay Test Circuit
12-2249(F)
* Includes probe and jig capacitances.
Note: All 458E, IN4148, or equivalent diodes.
Figure 8. Receiver Propagation Delay Test Circuit
DO
DO
200
200
100
TO OUTPUT OF
DEVICE UNDER
TEST
C
L
15 pF*
5 k
2 k
+5 V
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