MT91L61 MITEL, MT91L61 Datasheet - Page 25

• Manufacturer Part Number: MT91L61
• Description: (MT91L60 / MT91L61) ISO2-CMOS 3 Volt Multi-Featured Codec
• Manufacturer: MITEL

Advance Information
AC Electrical Characteristics
† Timing is over recommended temperature range & recommended power supply voltages.
‡ Typical figures are at 25 C and are for design aid only: not guaranteed and not subject to production testing.
NOTE 1: Not production tested, guaranteed by design.
1 Bit Cell Period
2 Frame Jitter
3 Bit 1 Dout Delay from STB
4 Bit 2 Dout Delay from STB
5 Bit n Dout Delay from STB
6 Bit 1 Data Boundary
7 Din Bit n Data Setup time from
8 Din Data Hold time from STB
CLOCKin
(BCL)
Din
Dout
STB
STBd
going high
going high
going high
STB rising
rising
70%
30%
70%
30%
70%
70%
30%
30%
70%
30%
Characteristics
t
R
t
t
DOZL
DOZH
t
BCLH
t
DIS
Figure 12 - SSI Synchronous Timing Diagram
t
t
BCL
SSS
†
t
DIH
T
- SSI BUS Asynchronous Timing (note 1) (see Figure 13)
T
Sym
t
t
t
t
t
BCLL
DATA1
F
dda1
dda2
ddan
t
DATA
t
T
SU
ho
j
+500ns+T
+500ns-T
t
T
T
T
+(n-1) x
+(n-1) x
DD
T
T
(n-1) x
600 +
T
T
600+
DATA
DATA
DATA
DATA
DATA
Min
DATA
DATA
NOTE: Levels refer to % V
-T
-T
-T
\2
\2
t
j
j
j
ENW
j
j
(n-1) x
600 +
600+
T
T
Typ
7812
3906
DATA
DATA
‡
T
T
T
T
(n-1) x
600 +
600 +
DATA
DATA
DATA
Max
j
600
+600
DD
+T
+T
+T
(CMOS I/O)
t
SSH
j
j
j
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
t
t
t
BCL=128 kHz
BCL=256 kHz
C
C
C
n=3 to 8
n=1-8
DSTBR
DOLZ
DOHZ
MT91L60/61
L
L
L
=50 pF, R
=50 pF, R
=50 pF, R
Test Conditions
L
L
L
t
=1K
=1K
=1K
t
ENWD
DSTBF
25