Cirrus-logic CS3310 Manuel d'utilisateur télécharger pdf (Page 3)

CS3310

DS82F1 3

DIGITAL CHARACTERISTICS (T

A

= 25 °C, VA+ , VD+ = 5V ± 5%, VA- = -5V ± 5% )

SWITCHING CHARACTERISTICS

(T

A

= 25 °C; VA+, VD+ = +5V ± 5%; VA- = -5V ± 5%; C

L

= 20 pF)

Parameter Symbol Min Typ Max Unit

High-Level Input Voltage V

IH

2.0 - VD+0.3 V

Low-Level Input Voltage V

IL

-0.3 - +0.8 V

High-Level Output Voltage (I

O

= 200µA) V

OH

VD-1.0 - - V

Low-Level Output Voltage (I

O

= 3.2mA) V

OL

--0.4V

Input Leakage Current I

in

-1.010µA

Parameter Symbol Min Typ Max Unit

Serial Clock SCLK 0 - - MHz

Serial Clock Pulse Width High

Pulse Width Low

t

ph

t

pl

80

80

-

-

-

-

ns

ns

MUTE

Pulse Width Low - 2.0 - - ms

Input Timing

SDATAI Set Up Time t

SDVS

20 - - ns

SDATAI Hold Time t

SDH

20 - - ns

CS

Valid to SCLK Rising t

CSVS

30 - - ns

SCLK Falling to CS

High t

LTH

35 - - ns

Output Timing

CS

Low to Output Active t

CSH

- - 35 ns

SCLK Falling to Data Valid t

SSD

- - 60 ns

CS

High to SDATAO Inactive t

CSDH

--100ns

t

CSVS

t

SDVS

t

SDH

SCLK

SDATAI

CS

SDATAO

t

CSH

t

CSDH

t

SSD

MSB

t

LTH

Figure 1. Serial Port Timing Diagram

1 2 3 4 5 6 7 8 ... 16 17

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