ST5088 datasheet(24/33 Pages) STMICROELECTRONICS

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TIMING SPECIFICATIONS (unless otherwise specified, VCC = 5V + 10%, TA =–5

°Cto 70°C;

typical characteristics are specified VCC = 5V, TA =25

°C;

all signals are referenced to GND, see Note 5 for timing definitions)

MASTER CLOCK TIMING

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

fMCLK

Frequency of MCLK

Selection of frequency is

programmable (see table 2)

512

1.536

2.048

2.560

kHz

MHz

tWMH

Period of MCLK high

Measured from VIH to VIH

tWML

Period of MCLK low

Measured from VIL to VIL

tRM

Rise Time of MCLK

Measured from VIL to VIH

tFM

Fall Time of MCLK

Measured from VIH to VIL

PCM INTERFACE TIMING (COMBO I / II and GCI modes)

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

tHMF

Hold Time MCLK low to FS low

tSFM

Setup Time, FS high to MCLK

low

tDMD

Delay Time, MCLK high to data

valid

Load = 100 pF

100

tDMZ

Delay Time, MCLK low to DX

disabled

100

tDFD

Delay Time, FS high to data valid

Load = 100 pF ;

Applies only if FS rises later

than MCLK rising edge in Non

Delayed Mode only

100

tSDM

Setup Time, DR valid to MCLK

receive edge

tHMD

Hold Time, MCLK low to DR

invalid

ABSOLUTE MAXIMUM RATINGS

Parameter

Value

Unit

VCC to GND

Current at VMIC (VCC

≤ 5.5V)

+ 50

Current at VRxO and LS

+ 100

Voltage at any digital input (VCC

≤ 5.5V); limited at ±50mA

VCC + 1 to GND - 1

Current at any digital output

+ 50

Storage temperature range

- 65 to + 150

°C

Lead Temperature (wave soldering, 10s)

+ 260

°C

ST5088

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