MT8924AS Zarlink Semiconductor, MT8924AS Datasheet - Page 12

• Manufacturer Part Number: MT8924AS
• Description: MT8924 - PCM Conference Circuit (PCC)
• Manufacturer: Zarlink Semiconductor

MT8924
AC Electrical Characteristics - Write Timing
8-14
10 CS high setup time to WR rising edge
11 CS high hold time from WR rising edge t
12 C/D setup time to Write Pulse end
13 C/D hold time from Write Pulse end
14 Input setup time to Write Pulse end
15 Input hold time from Bus Write Pulse
1
2
3
4
5
6
7
8
9
WR
RD
CS
C/D
DIN
Write Pulse low width
Write Pulse high width
Repetition Interval between active Write
Pulses
Read high setup time to active Write
Pulse
Read high hold time from active Write
Pulse
Write Pulse rise time
Write Pulse fall time
CS low setup time to WR falling edge
CS low hold time from WR falling edge
end
Characteristics
t
SHRD
t
SLCSWR
Figure 8 - Write Timing Characteristics
t
WLWR
t
SCDWR
t
SDWR
t
t
t
t
t
t
SHCSWR
HHCSWR
SLCSWR
HLCSWR
t
SC/DWR
t
t
REPWR
HCDWR
t
t
t
WHWR
Sym
WLWR
t
t
SDWR
HDWR
SHRD
HHRD
t
t
RWR
HHRD
t
FWR
HDWR
HCDWR
t
WHWR
t
SHCSWR
(T
t
HLCSWR
OP
Min
150
200
500
130
130
t
20
60
60
25
25
REPWR
0
0
0
0
0
=0 to 70 C; V
t
FWR
Typ
DD
Max
=5V5%)
t
HHCSWR
Preliminary Information
t
RWR
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Active case
Active case
Test Conditions