MT8924 데이터 시트보기 (PDF) - Mitel Networks
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MT8924 Datasheet PDF : 14 Pages
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Preliminary Information
MT8924
AC Electrical Characteristics - PCM Timing* (TOP=0 to 70°C; VDD=5V±5%)
Characteristics
Sym
Min Typ Max Units
Test Conditions
1 Input PCM setup time
tSPCM
80
2 Input PCM hold time
tHPCM
35
3 Output PCM propagation delay
tPD
25
ns
ns
125
ns CL=150pF, RL=1KΩ
in 2.048MHz mode **
*All AC characteristics are valid 250µs after VDD and the clock have been applied. CL is the max. capacitive load and RL is the test pull up
resistor.
**With Extra Bit Insert operating mode these times are 80ns longer.
Cki
0
1
2
F0i
tSPCM tHPCM
DSTi
DSTo
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
tPD
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
MSB
MSB
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
Figure 6 - PCM Timing
AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA
AC Electrical Characteristics - RESET Timing* (TOP=0 to 70°C; VDD=5V±5%)
Characteristics
Sym
Min Typ Max Units Test Conditions
1 RESET low setup time
tSLRES
100
ns
2 RESET low hold time
tHLRES
50
ns
3 RESET high setup time
tSHRES
90
ns
4 RESET high level width
tWHRES
tCK
ns
* All AC characteristics are valid 250µs after VDD and the clock have been applied. CL is the max. capacitive load and RL is the test pull up
resistor.
Cki
RESET
tSLRES
tHLRES tSHRES
tWHRES
Figure 7 - Reset Timing
8-13
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