UPSD3233 datasheet(142/170 Pages) STMICROELECTRONICS

142 / 170 page

uPSD3234A, uPSD3234BV, uPSD3233B, uPSD3233BV

142/170

Table 116. Major Parameters

Parameters/Conditions/

Comments

5V Test

Conditions

5.0V Value

3.3V Test

Conditions

3.3V Value

Unit

Operating Voltage

–

4.5 to 5.5

–

3.0 to 3.6

Operating Temperature

–

–40 to 85

–

–40 to 85

°C

MCU Frequency

12MHz (min) for USB;

8MHz (min) for I2C

–

1 Min, 40 Max

–

1 Min, 24 Max MHz

Active Current, Typical

(25°C operation; 80% Flash and

15% SRAM accesses, 45 PLD

product terms used; PLD Turbo

mode Off)

24MHz MCU clock,

12MHz PLD input

frequency, 4MHz ALE

12MHz MCU clock,

6MHz PLD input

frequency, 2MHz ALE

Idle Current, Typical

(CPU halted but some peripherals

active; 25°C operation; 45 PLD

product terms used; PLD Turbo

mode Off)

24MHz MCU clock,

12MHz PLD input

frequency

12MHz MCU clock,

1MHz PLD input

frequency

7mA

Standby Current, Typical

(Power-down Mode, requires reset

to exit mode; without Low-Voltage

Detect (LVD) Supervisor)

180µA with LVD

110

100µA with LVD

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

VOL = 0.25V (max);

VOH = 3.9V (min)

IOL = 8 (max);

IOH = –2 (min)

VOL = 0.15V (max);

VOH = 2.6V (min)

IOL = 4 (max);

IOH = –1 (min)

PLD Macrocells

(For registered or combinatorial

logic)

–16

–

PLD Inputs

(Inputs from pins, macrocell

feedback, or MCU addresses)

–69

–

PLD Outputs

(Output to pins or internal

feedback)

–16

–

PLD Propagation Delay, Typical

(PLD input to output, Turbo Mode)

–

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