psf21911 ETC-unknow, psf21911 Datasheet - Page 143

• Manufacturer Part Number: psf21911
• Description: Isdn Echocancellation Circuit Terminal Applications Iec-q
• Manufacturer: ETC-unknow

Table 26
Parameter
Data clock rise/fall
Clock period
Pulse width
high/low
Clock period
Pulse width
high/low
Frame width high
Frame width high
Frame synch. rise/
fall
Frame advance
Data out
Data out
Data delay clock
Data delay frame
Data sample delay
Data hold
Notes:
1)
2)
3)
either FSC (
4)
5)
Semiconductor Group
DCL) shall be the reference.
256 kbit/s (DCL = 512 kHz)
768 kbit/s (DCL = 1.523 MHz)
The point of time at which the output data will be valid is referred to the rising edges of
FSC marking superframe
FSC marking non-superframe
1)
2)
t
IOM
dDF
1)
2)
) or DCL (
3)
®
3)
4)
5)
-2 in NT Mode
Signal Symbol
DCL
FSC
FSC
DOUT
DIN
t
dDC
). The rising edge of the signal appearing last (normally
t
T
t
t
T
t
t
t
t
t
t
t
t
t
t
t
t
R
wH
wL
wH
wL
wFH
wFH
R
dF
F
R
dDC
dDF
sD
hD
DCL
DCL
,
,
,
t
t
t
F
F
F
min.
1875
850
565
200
0
t
20
50
wH
+
143
Limit Values
typ.
1953
960
651
310
T
2
65
DCL
T
DCL
max.
30
2035
1105
735
420
30
130
200
150
100
150
Electrical Characteristics
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Condition
C
C
C
C
C
C
C
C
(
open drain)
C
(tristate)
C
C
R
L
L
L
L
L
L
L
L
L
L
L
= 1 k
= 25 pF
= 25 pF
= 25 pF
= 25 pF
= 25 pF
= 25 pF
= 25 pF
= 150 pF
= 150 pF
= 150 pF
= 150 pF
PSB 21911
PSF 21911
to
V
11.97
DD
,