PEB2085 SIEMENS [Siemens Semiconductor Group], PEB2085 Datasheet - Page 257

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

Serial Port A (SSI) Timing
Figure 98
SSI Timing (TE, timing mode 0)
Serial Port A (SSI) Timing
Parameter
SCA clock delay
SSI data delay
SSI data setup
SSI data hold
FSC1/2 strobe delay
Semiconductor Group
FSC
DCL (0)
SCA
SDAR
SDAX
1/2
(0)
* Default polarity
Individual B-channel switching to the B1-
selected by programming the output polarity of FSC1 and FSC2
in the ADF1 register
t
SSH
t
SCD
B2( B1 ) Channel
or B2 channel can be
257
*
t
FSD
t
Symbol
t
t
t
t
t
SSD
SCD
SSD
SSS
SSH
FSD
t
SCD
B1( B2 ) Channel
Electrical Characteristics
*
min.
20
20
40
20
– 20
Limit Values
t
SSS
max.
140
140
20
O
:= Output
Unit
ns
ns
ns
ns
ns
ITD00873