M3488B1 데이터 시트보기 (PDF) - STMicroelectronics
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M3488B1 Datasheet PDF : 18 Pages
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M3488
A.C. ELECTRICAL CHARACTERISTICS (Tamb = 0 to 70°C, VCC = 5V ±5%)
All A.C. characteristics are valid 250µs after VCC and clock have been applied. CL is the max. capacitive load.
Signal Symbol
CK (clock)
tCK
tWL
tWH
tR
tF
SYNC
tSL
(frame pulse) tHL
tSH
tWH
PCM Input
tS
Busses
tH
PCM Output
Busses
Open Drain
tPD min
tPD max
RESET
WR, RD
tSL
tHL
tSH
tWH
tWL
tWH
tREP
tSH
tHH
tR
tF
Parameter
Clock Period
Clock Low Level Width
Clock High Level Width
Rise Time
Fall Time
Low Level Setup Time
Low Level Hold Time
High Level Setup Time
High Level Width
Setup Time
Hold Time
Propagation time
referred to CK low level
Propagation time
referred to CK high level
Low Level Setup Time
Low Level Hold Time
High Level Setup Time
High level Width
Low Lvel Width
High Level Width
Repetition Interval
between Active Pulses
High Level Setup Time
to Active Read Strobe
High Level Hold Time
from Active Write Strobe
Rise Time
Fall Time
Test Condition
CL = 150pF
RL = 1K
Min. Typ. Max. Unit
230 244
ns
100
ns
100
ns
25
ns
25
ns
60
ns
30
ns
80
ns
tCK
ns
5
ns
+40
ns
45
110
ns
110 140
ns
tREP 40 + 2 tCK + tWL(CK) +
+ tR(CK)
60
30
80
tCK
100
tCK
see
formula
0
15
ns
ns
ns
ns
ns
ns
ns
ns
ns
60
ns
60
ns
6/18
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