UPSD3422EB40U6 datasheet(269/300 Pages) STMICROELECTRONICS

269 / 300 page

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UPSD3422, UPSD3433, UPSD3434, UPSD3454

DC and AC parameters

269/300

DC and AC parameters

This section summarizes the operating and measurement conditions, and the DC and AC

characteristics of the device. The parameters in the DC and AC characteristic tables that

follow are derived from tests performed under the measurement 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 parameters.

Note:

Example: tAVLX = time from address valid to ALE invalid.

Table 206.

Operating conditions (5 V devices)

Symbol

Parameter

Min.

Max.

Unit

VDD

Supply voltage

4.5

5.5

VCC, AVCC

Supply voltage

3.0

3.6

Ambient operating temperature

(industrial)

–40

°C

Ambient operating temperature

(commercial)

070

°C

Table 207.

Operating conditions (3.3 V devices)

Symbol

Parameter

Min.

Max.

Unit

VCC, VDD, AVCC Supply voltage

3.0

3.6

Ambient operating temperature (industrial)

–40

°C

Ambient operating temperature

(commercial)

070

°C

Table 208.

AC signal letters for timing

Letter

Meaning

AAddress

Clock

Input data

Instruction

LALE

RESET input or output

PSEN signal

Output data

RD signal

WR signal

Output Macrocell

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