ST72334J4B7(2003) View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

ST72334J4B7
(Rev.:2003)

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES

STMicroelectronics 

ST72334J/N, ST72314J/N, ST72124J

CLOCK CHARACTERISTICS (Cont’d)

16.5.5 Clock Security System (CSS)

Symbol

Parameter

fSFOSC

fGFOSC

Safe Oscillator Frequency 1)

Glitch Filtered Frequency 2)

Conditions

TA=25°C, VDD=5.0V

TA=25°C, VDD=3.4V

Figure 73. Typical Safe Oscillator Frequencies

Min

Typ

Max

Unit

250

340

550

kHz

190

260

450

30

MHz

fosc [kHz]

400

-40°C

+25°C

+85°C

+125°C

350

300

250

200

3.2

5.5

VDD [V]

Note:

1. Data based on characterization results, tested in production between 90KHz and 600KHz.

2. Filtered glitch on the fOSC signal. See functional description in Section 9.4 on page 31 for more details.

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