PSD813F2 datasheet(76/110 Pages) STMICROELECTRONICS

76 / 110 page

PSD813F2, PSD833F2, PSD834F2, PSD853F2, PSD854F2

76/110

DC AND AC PARAMETERS

This section summarizes the operating and mea-

surement conditions, and the DC and AC charac-

teristics of the device. The parameters in the DC

and AC Characteristic tables that follow are de-

rived from tests performed under the Measure-

ment Conditions summarized in the relevant

tables. Designers should check that the operating

conditions in their circuit match the measurement

conditions when relying on the quoted parame-

ters.

Table 39. Operating Conditions (5V devices)

Table 40. Operating Conditions (3V devices)

Table 41. AC Signal Letters for PLD Timing

Note: Example: tAVLX = Time from Address Valid to ALE Invalid.

Table 42. AC Signal Behavior Symbols for PLD

Timing

Note: Example: tAVLX = Time from Address Valid to ALE Invalid.

Table 43. AC Measurement Conditions

Note: 1. Output Hi-Z is defined as the point where data out is no longer driven.

Symbol

Parameter

Min.

Max.

Unit

VCC

Supply Voltage

4.5

5.5

Ambient Operating Temperature (industrial)

–40

°C

Ambient Operating Temperature (commercial)

°C

Symbol

Parameter

Min.

Max.

Unit

VCC

Supply Voltage

3.0

3.6

Ambient Operating Temperature (industrial)

–40

°C

Ambient Operating Temperature (commercial)

°C

Address Input

CEout Output

Input Data

E Input

Internal WDOG_ON signal

Interrupt Input

ALE Input

RESET Input or Output

Port Signal Output

QOutput Data

RWR, UDS, LDS, DS, IORD, PSEN Inputs

Chip Select Input

TR/W Input

Internal PDN Signal

VSTBY Output

Output Macrocell

tTime

Logic Level Low or ALE

Logic Level High

Valid

No Longer a Valid Logic Level

ZFloat

Pulse Width

Symbol

Parameter

Min.

Max.

Unit

Load Capacitance

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