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M3488 数据表(PDF) 6 Page - STMicroelectronics

部件名 M3488
功能描述  256 x 256 DIGITAL SWITCHING MATRIX
PDF  18 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

M3488 数据表(HTML) 6 Page - STMicroelectronics

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



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