MT8924 Zarlink Semiconductor, MT8924 Datasheet - Page 12

• Manufacturer Part Number: MT8924
• Description: PCM Conference Circuit (PCC)
• Manufacturer: Zarlink Semiconductor

Preliminary Information
resistor.
*All AC characteristics are valid 250 s after V
**With Extra Bit Insert operating mode these times are 80ns longer.
AC Electrical Characteristics - PCM Timing*
AC Electrical Characteristics - RESET Timing*
resistor.
* All AC characteristics are valid 250 s after V
Cki
F0i
DSTi
DSTo
Cki
RESET
1
2
3
1
2
3
4
Input PCM setup time
Input PCM hold time
Output PCM propagation delay
RESET low setup time
RESET low hold time
RESET high setup time
RESET high level width
Characteristics
Characteristics
t
PD
0
DD
DD
t
SLRES
MSB
and the clock have been applied. C
and the clock have been applied. C
t
1
SPCM
t
t
t
t
t
t
WHRES
Sym
Sym
HLRES
SHRES
SLRES
SPCM
HPCM
Figure 7 - Reset Timing
t
Figure 6 - PCM Timing
MSB
PD
t
t
HLRES
HPCM
Min
Min
100
t
80
35
25
50
90
(T
CK
t
SHRES
OP
(T
2
=0 to 70 C; V
OP
=0 to 70 C; V
Typ
Typ
t
WHRES
L
L
is the max. capacitive load and R
is the max. capacitive load and R
Max
Max
125
DD
=5V5%)
DD
=5V5%)
Units
Units
ns
ns
ns
ns
ns
ns
ns
C
in 2.048MHz mode **
L
Test Conditions
Test Conditions
=150pF, R
L
L
MT8924
i
is the test pull up
s the test pull up
L
=1K
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