UPSD325X datasheet(143/176 Pages) STMICROELECTRONICS

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µPSD325X DEVICES

AC/DC PARAMETERS

These tables describe the AD and DC parameters

of the µPSD325X devices:

§ DC Electrical Specification

§ AC Timing Specification

PLD Timing

– Combinatorial Timing

– Synchronous Clock Mode

– Asynchronous Clock Mode

– Input Macrocell Timing

MCU Module Timing

– READ Timing

–WRITE Timing

– Power-down and RESET Timing

The following are issues concerning the parame-

ters presented:

In the DC specification the supply current is

given for different modes of operation.

The AC power component gives the PLD, Flash

memory, and SRAM mA/MHz specification.

Figure 72 and Figure 73 show the PLD mA/MHz

as a function of the number of Product Terms

(PT) used.

In the PLD timing parameters, add the required

delay when Turbo Bit is '0.'

Figure 72. PLD ICC /Frequency Consumption (5V range)

Figure 73. PLD ICC /Frequency Consumption (3V range)

100

110

VCC = 5V

010

HIGHEST COMPOSITE FREQUENCY AT PLD INPUTS (MHz)

TURBO

(100%)

TURBO

(25%)

TURBO

OFF

PT 100%

PT 25%

AI02894

VCC = 3V

010

TURBO

ON (100%)

TURBO

ON (25%)

TURBO

OFF

HIGHEST COMPOSITE FREQUENCY AT PLD INPUTS (MHz)

PT 100%

PT 25%

AI03100

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