uPSD34xx

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Table 2. Major Parameters

Note: 1. Operating current is measured while the uPSD34xx is executing a typical program at 40MHz.

Parameter

Test Conditions/Comments

5.0V Value

3.3V Value

Unit

Operating Voltage

–

4.5 to 5.5 (PSD);

3.0 to 3.6 (MCU)

3.0 to 3.6

(PSD and MCU)

V

Operating Temperature

–

–40 to 85

–40 to 85

°C

MCU Frequency

3 Min, 40 Max

3 Min, 40 Max

MHz

(20% of PLD used; 25°C

operation. Bus control signals are

blocked from the PLD in Non-

Turbo mode.)

40MHz Crystal, Turbo

79

63

mA

40MHz Crystal, Non-Turbo

71

58

mA

8MHz Crystal, Turbo

32

24

mA

8MHz Crystal, Non-Turbo

17.7

14

mA

Idle Current, Typical

(20% of PLD used; 25°C

operation)

40MHz Crystal divided by 2048

internally.

All interfaces are disabled.

19

18

mA

Standby Current, Typical

Power-down Mode

needs reset to exit.

140

120

µA

SRAM Backup Current, Typical

If external battery is attached.

0.5

0.5

µA

I/O Sink/Source Current,

Ports A, B, C, and D

mA

I/O Sink/Source Current,

Port 4

mA

PLD Macrocells

For registered or

combinatorial logic

16

16

–

PLD Inputs

Inputs from pins, feedback,

or MCU addresses

69

69

–

PLD Outputs

Output to pins or

internal feedback

18

18

–

PLD Propagation Delay, Typical,

Turbo Mode

PLD input to output

15

22

ns