w6692 Winbond Electronics Corp America, w6692 Datasheet - Page 95

• Manufacturer Part Number: w6692
• Description: Pci Bus Isdn S/t-controller
• Manufacturer: Winbond Electronics Corp America

output current
Transmitter
output
impedence
Note:
Capacitances
T
Parameter
Input capacitance
I/O pin capacitance
Output capacitance
against V
Input capacitance
Load capacitance
Recommended oscillator circuits
Crystal specifications
Note: The load capacitance C
External ocsillator input (XTAL1) clock characteristics
Parameter
Frequency
Frequency calibration
tolerance
Load capacitance
Oscillator mode
Parameter
Duty cycle
A
=25 C, V
1)
Due to the transformer, the load resistance seen by the circuit is four times R
SSA
DD
C
C
L
L
= 5 V
Min.
1:2
R
7.68MHz
5 %, V
X
Symbol
C
C
C
C
C
OUT
51
50
IN
IO
IN
L
L
SSA
depends on the crystal specification. The typical values are 33 to 47 pF.
XTAL2
XTAL1
C
30
23
= 0V, V
L
Max.
2:1
Symbol
f
C
50pF
Min.
L
SSD
or
=0V, fc=1 Mhz, unmeasured pins grounded.
Max.
Values
7.680
Max. 100
Max. 50
Fundamental
10
50
7
7
7
External
oscillator
signal
k
N.C.
Unit
pF
pF
pF
pF
pF
Inactive or during binary ONE
During binary ZERO (R
51
50
-95 -
Remarks
All pins except SR1,2
All pins except SR1,2
SX1,2
SR1,2
XTAL1,2
XTAL2
XTAL1
Unit
MHz
ppm
pF
W6692 PCI ISDN S/T-Controller
L
=50
L
Publication Release Date:
.
)
Preliminary Data Sheet
SX1,2
Sep 30, 1999
Revision 0.9