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STLC5444 Datasheet, PDF (6/17 Pages) STMicroelectronics – QUAD FEEDER POWER SUPPLY
STLC5444
SWITCHING CHARACTERISTICS (VBB = -54V; VCC = 5V; unless otherwise specified)
MICROPROCESSOR READ/WRITE TIMING NON MULTIPLEXED MODE (for references see figure 1a
and 2b).
Symbol
Parameter
Min.
tRLRH RD, CS pulse width
260
tRHRL RD, recovery time
T amb: 0 to 70°C
200
T amb: -40 to 0°C and +70°C to +85°C
220
tRLDA RD, CS low to data available
tRHDZ
RD or CS high to data Z
Tamb: 0 to 70°C
T amb: -40 to 0°C and +70°C to +85°C
tASRL Address setup time to READ active
0
tAHRH Address hold time to READ inactive
0
tASWL Address setup time to WRITE active
30
tAHWH Addess hold time to WRITE inactive
50
tADDA Address stable to data available
Tamb: 0 to 70°C
360
T amb: -40 to 0°C and +70°C to +85°C
390
tWLWH WR or CS pulse width
200
tWHWL Write recovery time
200
tDAWH Data setup time
100
tWHDZ Data hold time
T amb: 0 to 70°C
20
T amb: -40 to 0°C and +70°C to +85°C
40
tRES Reset Pulse with
200
Note: AC timings are tested at 0.8V and 2V with input levels of 0.4V and 2.4V.
Max.
260
130
160
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SWITCHING CHARACTERISTICS (VBB = -54V; VCC = 5V; unless otherwise specified)
MICROPROCESSOR READ/WRITE TIMING MULTIPLEXED MODE (for references see figure 1 and 2).
Symbol
Parameter
Min.
tRLRH RD, CS pulse width
260
tRHRL RD, recovery time
T amb: 0 to 70°C
200
T amb: -40 to 0°C and +70°C to +85°C
220
tRLDA RD, CS low to data available
tRHDZ
RD or CS high to data Z
Tamb: 0 to 70°C
T amb: -40 to 0°C and +70°C to +85°C
tAHAL ALE pulse width
100
tADAL Address setup time
60
tADAZ Address hold time
50
tAZRL Address Z to RD low
0
tAZWL Address Z to WR Low
0
tADDA Address stable to data available
Tamb: 0 to 70°C
360
T amb: -40 to 0°C and +70°C to +85°C
390
tWLWH WR or CS pulse width
200
tWHWL Write recovery time
200
tDAWH Data setup time
100
tWHDZ Data hold time
T amb: 0 to 70°C
20
T amb: -40 to 0°C and +70°C to +85°C
40
tRES Reset Pulse with
200
Note: AC timings are tested at 0.8V and 2V with input levels of 0.4V and 2.4V.
Max.
260
130
160
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Si Timing (at 10% of final value)
Symbol
tEN
tDIS
Parameter
Test condition
Si output enable time (from LER)
RLOAD = 3kΩ
Si output disable time (from LER or RESET)
Typ.
2
3
Max.
5
6
Unit
µs
µs
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