SA3488 Datasheet, PDF (6/20 Pages) Sames – CMOS 256 X 256 DIGITAL SWITCHING MATRIX

SA3488
A.C. ELECTRICAL CHARACTERISTICS (Cont.)
Signal Symbol Parameter
Test Conditions Min. Typ. Max. Unit
CS1,
t_SL(CS-WR)
Low level setup time
Active Case
0
ns
CS2
to WR falling edge
t_HL(CS-WR)
Low level hold time
Active Case
0
ns
from WR rising edge
t_SH(CS-WR)
High level setup time Inactive Case
0
ns
to WR falling edge
t_HH(CS-WR)
High level hold time
Inactive Case 0
ns
from WR rising edge
t_SL(CS-RD)
Low level setup time
Active Case
0
ns
to RD falling edge
t _HL(CS-RD)
Low level hold time
Active Case
0
ns
from RD rising edge
t_SH(CS-RD)
High level setup time Inactive Case
0
ns
to RD falling edge
t_HH(CS-RD)
High level hold time
Inactive Case 0
ns
from RD rising edge
C/D
t_S(C/D-WR)
Setup time to write
strobe end
t _H(C/D-WR)
Hold time from
write strobe end
t_S(C/D-WR)
Setup time to read
strobe start
t _H(C/D-WR)
Hold time from read
strobe end
130
ns
25
ns
20
ns
25
ns
A1,S1,
A2,S2
(match
inputs)
t_S(match-WR)
t_H(match-WR)
t
S(match-RD)
Setup time to write
strobe end
Hold time from
strobe end
Setup time to read
strobe start
130
ns
25
ns
20
ns
t_H(match-RD)
Hold time from read
strobe end
25
ns
DR
(data
ready)
t_W
Low state width
Instructions 5,6
t_PD
DR output delay
from write strobe end Instructions 5, 5.t_CK
(active command)
C = 50pf
L
2 t_CK ns
14 t_CK
ns
sames
6