MT91L60/61
Advance Information
AC Electrical Characteristics† - SSI BUS Synchronous Timing (see Figure 12)
‡
Characteristics
BCL Clock Period
Sym
Min
Typ
Max Units
Test Conditions
1
2
3
4
5
6
7
8
9
tBCL
tBCLH
tBCLL
tR/tF
244
115
1953
ns BCL=4096 kHz to 512 kHz
ns BCL=4096 kHz
ns BCL=4096 kHz
ns Note 1
BCL Pulse Width High
122
122
BCL Pulse Width Low
BCL Rise/Fall Time
20
8 x tBCL
8 x tBCL
Strobe Pulse Width
tENW
tENWD
tSSS
ns Note 1
Delayed Strobe Pulse Width
Strobe setup time before BCL falling
Strobe hold time after BCL falling
ns Note 1
tBCL-80
tBCL-80
55
70
80
ns
tSSH
ns
Delayed Strobe Pulse delay after BCL tDSTBR
rising
ns Note 1
10 Delayed Strobe Pulse hold time after
BCL rising
tDSTBF
tDOZL
tDOZH
tDOLZ
tDOHZ
tDD
55
55
55
90
90
80
ns Note 1
11 Dout High Impedance to Active Low
from Strobe rising
ns CL=50 pF, RL=1K
ns CL=50 pF, RL=1K
ns CL=50 pF, RL=1K
ns CL=50 pF, RL=1K
ns CL=50 pF, RL=1K
12 Dout High Impedance to Active High
from Strobe rising
13 Dout Active Low to High Impedance
from Strobe falling
14 Dout Active High to High Impedance
from Strobe falling
15 Dout Delay (high and low) from BCL
rising
16 Din Setup time before BCL falling
17 Din Hold Time from BCL falling
tDIS
tDIH
10
50
ns
ns
† 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.
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