STM805 datasheet(31/42 Pages) STMICROELECTRONICS

31 / 42 page

STM690, STM704, STM795, STM802, STM804, STM805, STM806

DC and AC parameters

Doc ID 10519 Rev 9

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DC and AC parameters

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

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

follow, are derived tests performed under the measurement conditions summarized in

Table 6. Designers should check that the operating conditions in their circuit match the

operating conditions when relying on the quoted parameters.

Figure 34.

E to ECON propagation delay test circuit

CL includes load capacitance and scope probe capacitance.

Figure 35.

AC testing input/output waveforms

Table 6.

Operating and AC measurement conditions

Parameter

STM690/704/795/

802/804/805/806

Unit

VCC/VBAT supply voltage

1.0 to 5.5

Ambient operating temperature (TA)

–40 to 85

°C

Input rise and fall times

≤ 55ns

Input pulse voltages

0.2 to 0.8 VCC

Input and output timing ref. voltages

0.3 to 0.7 VCC

AI08854

VBAT

ECON

VCC

3.6 V

50 pF C L

(1)

equivalent

source impedance

cable

STM690/704/

795/802/804/

805/806

GND

AI02568

0.8 V CC

0.2 V CC

0.7 V CC

0.3 V CC

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