SMJ320F240 Datasheet, PDF (90/99 Pages) Texas Instruments – DSP CONTROLLER

SMJ320F240
DSP CONTROLLER
SGUS029 – APRIL 1999
flash EEPROM
switching characteristics over recommended operating conditions (see page 57)
PARAMETER
’320F240
UNIT
MIN TYP MAX
Program-erase endurance
10K
Cycles
Program pulses per word†
1
10 150 Pulses
Erase pulses per array†
1
20 1000 Pulses
Flash-write pulses per array†
1
20 6000 Pulses
† _{These parameters are used in the flash programming algorithms. For a detailed description of the algorithms, see the TMS320F20x/F24x DSPs}
Embedded Flash Memory Technical Reference (literature number SPRU282).
timing requirements
’320F240
UNIT
MIN MAX
td(BUSY)
Delay time, after mode deselect to stabilization†
10
µs
td(RD-VERIFY) Delay time, verify read mode select to stabilization†
10
µs
† _{These parameters are used in the flash programming algorithms. For a detailed description of the algorithms, see the TMS320F20x/F24x DSPs}
Embedded Flash Memory Technical Reference (literature number SPRU282).
programming operation (maximum programming temperature 85°C for flash memory)
PARAMETER
’320F240
UNIT
MIN NOM MAX
tw(PGM)
Pulse duration, programming algorithm†
95 100 105 µs
td(PGM-MODE) Delay time, program mode select to stabilization†
10
µs
† _{These parameters are used in the flash programming algorithms. For a detailed description of the algorithms, see the TMS320F20x/F24x DSPs}
Embedded Flash Memory Technical Reference (literature number SPRU282).
erase operation
PARAMETER
’320F240
UNIT
MIN NOM MAX
tw(ERASE)
Pulse duration, erase algorithm†
6.65
7 7.35 ms
td(ERASE-MODE) Delay time, erase mode select to stabilization†
10
µs
† _{These parameters are used in the flash programming algorithms. For a detailed description of the algorithms, see the TMS320F20x/F24x DSPs}
Embedded Flash Memory Technical Reference (literature number SPRU282).
flash-write operation
PARAMETER
’320F240
UNIT
MIN NOM MAX
tw(FLW)
td(FLW-MODE)
Pulse duration, flash-write algorithm†‡
Delay time, flash-write mode select to stabilization†‡
13.3
14 14.7 ms
10
µs
† _{These parameters are used in the flash programming algorithms. For a detailed description of the algorithms, see the TMS320F20x/F24x DSPs}
Embedded Flash Memory Technical Reference (literature number SPRU282).
‡ _{Refer to the recommended operating conditions section for the flash programming operating temperature range when programming flash.}
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