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參數(shù)資料
型號(hào): W6693A
廠商: WINBOND ELECTRONICS CORP
英文描述: USB Bus ISDN S/T Interface Controller(USB總線(xiàn)的ISDN S/T接口控制器)
中文描述: USB總線(xiàn)綜合業(yè)務(wù)數(shù)字網(wǎng)的S / T接口控制器(綜合業(yè)務(wù)數(shù)字網(wǎng)的USB總線(xiàn)的S / T的接口控制器)
文件頁(yè)數(shù): 29/32頁(yè)
文件大小: 423K
代理商: W6693A
Preliminary Data Sheet
W6694 Passive USB-ISDN S/T-Controller
-29-
Publication Release Date: March., 2000
Revision 0.93
9.3 DC Characteristics
T
A
=0 to 70
°
C; V
DD
=5 V
±
5 %, V
SSA
=0 V, V
SSD
=0 V
Parameter
Symbol
Low input
voltage
High input
voltage
Low output
voltage
High output
voltage
Power supply
current:
suspended
Power supply
current:
activated
Absolute value
of output pulse
amplitude
(V
SX2
-V
SX1
)
Transmitter
output current
Transmitter
output
impedence
Note
:
1)
Due to the transformer, the load resistance seen by the circuit is four times R
L
.
Capacitances of ISDN pins
T
A
=25
°
C, V
DD
= 5 V
±
5 %, V
SSA
= 0V, V
SSD
=0V, fc=1 Mhz, unmeasured pins grounded.
Parameter
Symbol
Min.
Output capacitance
against V
SSA
Input capacitance
C
IN
Load capacitance
C
L
Recommended oscillator circuits
Min
-0.4
Max
0.8
Unit
V
Test conditions
Remarks
V
IL
V
IH
2.0
V
DD
+0.4
0.4
V
V
OL
V
I
OL
= 12 mA
V
OH
2.4
V
I
CC
mA
V
DD
=5V, S/T layer 1 in state “F3
Deactivated without clock”, USB
in suspended mode
V
DD
=5V, S/T layer 1 in state “F7
Activated”, USB is configured and
active
R
L
=50
1)
R
L
=400
1)
I
CC
mA
V
X
2.03
2.10
2.31
2.39
V
V
SX1,2
I
X
7.5
13.4
mA
R
L
=5.6
1)
SX1,2
R
X
30
23
k
Inactive or during binary ONE
During binary ZERO (R
L
=50
)
SX1,2
Max.
10
Unit
pF
Remarks
SX1,2
C
OUT
7
50
pF
pF
SR1,2
XTAL1,2
XTAL1
XTAL2
7.68MHz
C
L
50pF
C
L
C
L
XTAL1
XTAL2
External
oscillator
signal
N.C.
or
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