
TMS320C240, TMS320F240
DSP CONTROLLERS
SPRS042D – OCTOBER 1996 – REVISED NOVEMBER 1998
96
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251–1443
flash EEPROM
switching characteristics over recommended operating conditions
PARAMETER
’320F240
UNIT
MIN
TYP
MAX
Program-erase endurance
Program pulses per word
Erase pulses per array
Flash-write pulses per array
10K
Cycles
1
10
150
Pulses
1
20
1000
Pulses
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 over recommended operating conditions
’320F240
MIN
10
UNIT
MAX
td(BUSY)
td(RD-VERIFY)
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).
Delay time, after mode deselect to stabilization
Delay time, verify read mode select to stabilization
μ
s
μ
s
10
programming operation
PARAMETER
’320F240
NOM
UNIT
MIN
MAX
tw(PGM)
td(PGM-MODE)
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).
Pulse duration, programming algorithm
Delay time, program mode select to stabilization
95
100
105
μ
s
μ
s
10
erase operation
PARAMETER
’320F240
UNIT
MIN
6.65
NOM
MAX
7.35
tw(ERASE)
td(ERASE-MODE)
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).
Pulse duration, erase algorithm
Delay time, erase mode select to stabilization
7
ms
μ
s
10
flash-write operation
PARAMETER
’320F240
NOM
UNIT
MIN
13.3
MAX
14.7
tw(FLW)
td(FLW-MODE)
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.
Pulse duration, flash-write algorithm
Delay time, flash-write mode select to stabilization
14
ms
μ
s
10