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參數資料
型號: W6691
廠商: WINBOND ELECTRONICS CORP
英文描述: ISDN S/T Interface Transceiver
中文描述: 綜合業務數字網的S / T接口收發器
文件頁數: 98/106頁
文件大?。?/td> 428K
代理商: W6691
Preliminary W6691
Publication Release Date: Sep 2001
98 Revision 1.1
leakage
current
SX1,2, SR1,2
Absolute value
of output pulse
amplitude
(V
SX2
-V
SX1
)
Transmitter
output current
V
X
2.03
2.10
2.31
2.39
V
V
R
L
=50
1)
R
L
=400
1)
SX1,2
I
X
7.5
13.4
mA
R
L
=5.6
1)
SX1,2
Transmitter
output
impedance
R
X
30
23
k
Inactive or during binary ONE
During binary ZERO (R
L
=50
)
SX1,2
Note
:
1)
Due to the transformer, the load resistance seen by the circuit is four times R
L
.
Capacitances
T
A
=25
°
C, V
DD
= 5 V
±
5 %, V
SSA
= 0V, V
SSD
=0V, fc=1 Mhz, unmeasured pins grounded.
Parameter
Symbol
Min.
Max.
Unit
Remarks
Input capacitance
C
IN
C
IO
C
OUT
7
pF
All pins except SR1,2
I/O pin capacitance
7
pF
All pins except SR1,2
Output capacitance
against V
SSA
Input capacitance
10
pF
SX1,2
C
IN
C
L
7
pF
SR1,2
Load capacitance
50
pF
XTAL1,2
Recommended oscillator circuits
Crystal specifications
Parameter
Symbo
l
Values
Unit
Frequency
f
7.680
MHz
Frequency
tolerance
calibration
Max. 100
ppm
Load capacitance
C
L
Max. 50
pF
Oscillator mode
Fundamental
Note
: The load capacitance C
L
depends on the crystal specification. The typical values are 33 to 47 pF.
相關PDF資料
PDF描述
W6691CD ISDN S/T Interface Transceiver
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W6692 PCI Bus ISDN S/T Interface Controller(PCI總線的ISDN S/T接口控制器)
W6693A USB Bus ISDN S/T Interface Controller(USB總線的ISDN S/T接口控制器)
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