SMJ320C6701 Datasheet, PDF (28/62 Pages) Texas Instruments – FLOATING-POINT DIGITAL SIGNAL PROCESSOR

SMJ320C6701
FLOATING-POINT DIGITAL SIGNAL PROCESSOR
SGUS030 – APRIL 2000
electrical characteristics over recommended ranges of supply voltage and operating case
temperature (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
VOH
VOL
II
IOZ
IDD2V
High-level output voltage
Low-level output voltage
Input current†
Off-state output current
Supply current, CPU + CPU memory access‡
DVDD = MIN,
IOH = MAX
DVDD = MIN,
IOL = MAX
VI = VSS to DVDD
VO = DVDD or 0 V
CVDD = NOM,
CPU clock = 150 MHz
2.4
V
0.6 V
±10 uA
±10 uA
470
mA
IDD2V Supply current, peripherals§
CVDD = NOM,
CPU clock = 150 MHz
250
mA
IDD3V Supply current, I/O pins¶
DVDD = NOM,
CPU clock = 150 MHz
85
mA
Ci
Input capacitance
Co
Output capacitance
* This parameter is not tested.
† _{TMS and TDI are not included due to internal pullups.}
TRST is not included due to internal pulldown.
‡ _{Measured with average CPU activity:}
50% of time:
8 instructions per cycle, 32-bit DMEM access per cycle
50% of time:
2 instructions per cycle, 16-bit DMEM access per cycle
§ _{Measured with average peripheral activity:}
50% of time:
Timers at max rate, McBSPs at E1 rate, and DMA burst transfer between DMEM and SDRAM
50% of time:
Timers at max rate, McBSPs at E1 rate, and DMA servicing McBSPs
¶ _{Measured with average I/O activity (30-pF load, SDCLK on):}
25% of time:
Reads from external SDRAM
25% of time:
Writes to external SDRAM
50% of time:
No activity
*15 pF
*15 pF
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