HDMI2C2-14HD datasheet(16/31 Pages) STMICROELECTRONICS

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Electrical characteristics

HDMI2C2-14HD

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DocID024813 Rev1

Table 5. CEC electrical characteristics(1)

Symbol

Parameter

Test conditions

Min. Typ. Max.

Unit

VTup_CEC

Upward input voltage threshold on bus side

1.6

VTdown_CEC Downward input voltage threshold on bus side

0.8

VHYST_CEC Input hysteresis on bus side

0.4

TRISE_CEC Output rise-time (10% to 90%)

RUP = 14.1 kΩ

(2) ±5%

CCEC CABLE = 9.7 nF

250

µs

TFALL_CEC Output fall-time (90% to 10%)

µs

IOFF_CEC

Leakage current in powered-off state

VDD_5V = 0 V, VDD_IC = 0 V,

VDD_CEC = 3.3 V

1.8

µA

VIL_CEC_IC Input low level on IC side

0.5

%VDD_IC

VIH_CEC_IC Input high level on IC side

%VDD_IC

RON_CEC

On resistance across CEC and CEC_IC

pins

CEC pin to 0 V

115

160

CIN_CEC

Input capacitance on CEC link

VDD_5V = 0 V

VDD_CEC = 0 V

VDD_IC = 0 V

VBIAS = 0 V, f = 1 MHz,

VOSC = 30 mV

40(3)

Tamb = 25 °C, VDD_CEC = 3.3 V, VDD_CEC_IC = 1.8 V, unless otherwise specified

Test conditions are compliant with worst case CEC specification:

- Correspond to two 27 k

Ω +5% pull-up resistances in parallel (compliant with HDMI CTS)

- Max capacitance corresponding to 9 equipment chained on the CEC bus

Maximum capacitance allowed at connector output is 200 pF in HDMI 1.4 specification

Table 6. HPD, HEAC, and utility line electrical characteristics(1)

Symbol

Parameter

Test conditions

Value

Unit

Min.

Typ.

Max.

CIN_HPD

CIN_UTILITY

Input capacitance

VDD_5V = 0 V, VBIAS = 0 V

f = 100 kHz, VOSC = 30 mV

9pF

fCUT_HEAC

Cut-off frequency of HEAC bus

500

MHz

Tamb = 25°C, VDD_5V = 5 V, unless otherwise specified.

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