stlc3040 STMicroelectronics, stlc3040 Datasheet - Page 46

• Manufacturer Part Number: stlc3040
• Description: Subscriber Line Interface Codec Filter, Cofislic
• Manufacturer: STMicroelectronics

STLC3040
TIMING OF GCI INTERFACE
Figure 20: DCL, FSC, DU and DD Characteristics.
Switching characteristics
(*) DCL = 2048KHz: t
(**) DCL = 4096KHz: t
(***) Depending on Pull up resistor (typical 1....10k )
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Symbol
DCL
FSC
t
t
DD
DU
t
t
FSC S
FSC H
t
t
t
t
DD H
DD S
DCL
DCL
FSC
dDU
t
FSC_S
t
DD_S
FSC
Period DCL ’slow’ mode (*)
Period DCL ’fast’ mode (**)
DCL Duty Cycle
Period FSC
FSC set-up time
FSC hold time
DD data in set-up time
DD data in hold time
DU data out delay
FSC
t
DCL
= 256 * t
t
= 512 * t
FSC_H
DCL
DCL
Parameter
t
DD_H
t
DCLh
t
FSC
min.
40
70
40
20
50
Limit Values
1/2048kHz
1/4096kHz
150 (***)
t
typ.
125
DCLh
t
dDU
max.
250
60
D96TL268
Units
ns
ns
ns
ns
ns
%
s