PEB2085 SIEMENS [Siemens Semiconductor Group], PEB2085 Datasheet - Page 248

• Manufacturer Part Number: PEB2085
• Description: ISDN SubscribernAccess Controller
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

DC Characteristics
T
Parameter
Input leakage
current
internal pull-down
Absolute value
of output pulse
amplitude
(VSX2 – VSX1)
Transmitter out-
put current
Transmitter out-
put impedance
Receiver
output voltage
Receiver
threshold voltage
V
Note:
Capacitances
Parameter
Input capacitance
I/O capacitance
Output capacitance
against V
Input capacitance
Load capacitance
Semiconductor Group
A
SR2
= 0 to 70 °C; V
– V
1)
T
ded.
SR1
A
Due to the transformer, the load resistance seen by the circuit is four times R
SSA
= 25 °C, V
DD
Symbol
I
V
I
R
V
V
LIPD
X
= 5 V 5 %, V
DD
X
X
SR1
TR
= 5 V 5 %, V
min
2.03
2.10
7.5
10
0
2.35
225
Symbol
C
C
C
C
C
Limit Values Unit Test Condition
IN
I/O
OUT
IN
L
SSA
max
120
2.31
2.39
13.4
2.6
375
SSA
= 0 V, V
Limit Values
min.
= 0 V, V
V
V
mA
k
V
mV
248
SSD
A
max.
7
7
10
7
50
SSD
= 0 V (Forts.)
0 V
R
R
R
Inactive or during binary one
during binary zero R
I
Dependent on peak level
O
L
L
L
= 0 V, f
<
= 50
= 400
= 5.6
Unit
pF
pF
pF
pF
pF
<
5 A
V
IN
c
<
1)
1)
=1 MHz, unmeasuredpins groun
Remarks
All pins except
SR1,2, XTAL1,2
SX1,2
SR1,2
XTAL1,2
1)
V
Electrical Characteristics
DD
to 0 V
L
= 50
Remarks
A0, A1,
A3, A4,
CP/BCL,
X2
SX1,2
SR1,2
L
.