參數(shù)資料
型號: W6692ACF
廠商: WINBOND ELECTRONICS CORP
元件分類: 數(shù)字傳輸電路
英文描述: DATACOM, ISDN CONTROLLER, PQFP100
封裝: QFP-100
文件頁數(shù): 88/98頁
文件大?。?/td> 584K
代理商: W6692ACF
Data Sheet
W6692A PCI ISDN S/T-Controller
Publication Release Date:
Mar,2000
Revision 1.0
-89 -
Transmitter
output
impedence
RX
30
23
k
Inactive or during binary ONE
During binary ZERO (RL=50
)
SX1,2
Note:
1) Due to the transformer, the load resistance seen by the circuit is four times R
L.
Capacitances
TA=25
°C, V
DD= 5 V
± 5 %, V
SSA= 0V, VSSD=0V, fc=1 Mhz, unmeasured pins grounded.
Parameter
Symbol
Min.
Max.
Unit
Remarks
Input capacitance
CIN
7
pF
All pins except SR1,2
I/O pin capacitance
CIO
7
pF
All pins except SR1,2
Output capacitance
against VSSA
COUT
10
pF
SX1,2
Input capacitance
CIN
7
pF
SR1,2
Load capacitance
CL
50
pF
XTAL1,2
Recommended oscillator circuits
Crystal specifications
Parameter
Symbol
Values
Unit
Frequency
f
7.680
MHz
Frequency calibration
tolerance
Max. 100
ppm
Load capacitance
CL
Max. 50
pF
Oscillator mode
Fundamental
Note: The load capacitance CL depends on the crystal specification. The typical values are 33 to 47 pF.
External ocsillator input (XTAL1) clock characteristics
Parameter
Min.
Max.
Duty cycle
1:2
2:1
50
XTAL1
XTAL2
51
7.68MHz
CL
≤50pF
CL
50
XTAL1
XTAL2
51
External
oscillator
signal
N.C.
or
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