ST52T441 View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST52T441

8-BIT INTELLIGENT CONTROLLER UNIT (ICU) Timer/PWM, Analog Comparator, Triac/PWM Timer, WDG

STMicroelectronics 

ST52T400/T440/E440/T441

11.7 Memory Characteristics

Subject to general operating conditions for VDD, fosc and TA, unless otherwise specified.

Table 11.9 RAM and Registers

Symbol

VRM

Parameter

Data retention

mode1)

Conditions

HALT mode (or

RESET)

Min.

1.6

Typ.

Max

Unit

V

Table 11.10 EPROM Program Memory

Symbol

WERASE

tERASE

tRET

Parameter

UV lamp

Erase time2)

Data Retention

Conditions

Lamp

wavelength

2537 A

UV lamp is

placed 1 inch

from the device

window without

any interposed

filters

TA =+55°C

Min.

10

20

Typ.

15

Max

Unit

Watt,

sec/cm2)

20

min.

years

Notes:

1. Minimum VDD supply voltage without losing data stored into RAM (in HALT mode or under RESET) or

into hardware registers (only in HALT mode). Guaranteed by construction, not tested in production.

2. Data is provided only as a guideline.

78/94

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