m3488q1 STMicroelectronics, m3488q1 Datasheet - Page 6

• Manufacturer Part Number: m3488q1
• Description: 256 X 256 Digital Switching Matrix
• Manufacturer: STMicroelectronics

A.C. ELECTRICAL CHARACTERISTICS (T
All A.C. characteristics are valid 250 s after V
M3488
6/18
(frame pulse)
PCM Output
Open Drain
PCM Input
CK (clock)
WR, RD
Busses
Busses
RESET
Signal
SYNC
Symbol
t
t
PD max
PD min
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
REP
t
WH
WH
WH
WH
WL
t
t
t
WL
HH
t
CK
t
SL
HL
SH
SL
HL
SH
SH
t
R
H
R
F
S
F
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
Parameter
CC
amb
and clock have been applied. C
= 0 to 70 C, V
t
REP
Test Condition
40 + 2 t
C
L
R
+ t
= 150pF
L
R(CK)
= 1K
CK
CC
+ t
WL(CK)
= 5V 5%)
+
formula
Min.
+40
230
100
100
100
see
t
t
t
60
30
80
45
60
30
80
15
CK
CK
CK
5
0
L
is the max. capacitive load.
Typ.
244
110
110
Max.
140
25
25
60
60
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns