W6691CD WINBOND [Winbond], W6691CD Datasheet - Page 98

• Manufacturer Part Number: W6691CD
• Description: ISDN S/T Interface Transceiver
• Manufacturer: WINBOND [Winbond]

leakage
current
Absolute value
of output pulse
amplitude
(V
Transmitter
output current
Transmitter
output
impedance
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
Parameter
Frequency
Frequency
tolerance
Load capacitance
Oscillator mode
A
SX2
=25 C, V
-V
1)
SX1
Due to the transformer, the load resistance seen by the circuit is four times R
SSA
)
DD
= 5 V
calibration
R
V
I
X
X
X
5 %, V
Symbol
C
C
C
C
C
OUT
IN
IO
IN
L
SSA
2.03
2.10
7.5
L
30
23
depends on the crystal specification. The typical values are 33 to 47 pF.
= 0V, V
Symbo
l
f
C
Min.
L
2.31
2.39
13.4
SSD
Max.
=0V, fc=1 Mhz, unmeasured pins grounded.
10
50
Values
7.680
Max. 100
Max. 50
Fundamental
7
7
7
mA
k
V
V
Unit
pF
pF
pF
pF
pF
R
R
R
Inactive or during binary ONE
During binary ZERO (R
98
L
L
L
=50
=400
=5.6
Remarks
All pins except SR1,2
All pins except SR1,2
SX1,2
SR1,2
XTAL1,2
1)
1)
Unit
MHz
ppm
pF
1)
Preliminary W6691
L
Publication Release Date: Sep 2001
=50 )
L
.
SX1,2, SR1,2
SX1,2
SX1,2
SX1,2
Revision 1.1