SPI Driver for Enhanced Relay Control

SPIDER - TLE7233EM

Serial Peripheral Interface (SPI)

Data Sheet

28

Rev. 1.2, 2014-05-09

9.5

Electrical Characteristics SPI

V

All voltages with respect to ground, positive current flowing into pin (unless otherwise specified)

typical values:

V

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

Input Characteristics (CS, SCLK, SI)

9.5.1

L level of pin

CS

SCLK

SI

V

CS(L)

V

SCLK(L)

V

SI(L)

0

–

0.2*

V

DD

––

9.5.2

H level of pin

CS

SCLK

SI

V

CS(H)

V

SCLK(H)

V

SI(H)

0.5*

V

DD

–

V

DD

––

9.5.3

L-input pull-up current through CS

I

CS(L)

5

1740µA

V

9.5.4

H-input pull-up current through CS

I

CS(H)

3

1540µA

1)

V

9.5.5

L-input pull-down current through

pin

SCLK

SI

I

SCLK(L)

I

SI(L)

3

1280µA

1)

V

V

9.5.6

H-input pull-down current through

pin

SCLK

SI

I

SCLK(H)

I

SI(H)

10

40

80

µA

V

V

Output Characteristics (SO)

9.5.7

L level output voltage

V

SO(L)

0–

0.4

V

I

9.5.8

H level output voltage

V

SO(H)

V

0.5 V

–

V

DD

–

I

9.5.9

Output tristate leakage current

I

SO(OFF)

-10

–

10

µA

V

Timings

9.5.10

Serial clock frequency

f

SCLK

0–

5

MHz

–

9.5.11

Serial clock period

t

SCLK(P)

200

–

–

ns

–

9.5.12

Serial clock high time

t

SCLK(H)

50

–

–

ns

–

9.5.13

Serial clock low time

t

SCLK(L)

50

–

–

ns

–

9.5.14

Enable lead time (falling CS to

rising SCLK)

t

CS(lead)

250

–

–

ns

–

9.5.15

Enable lag time (falling SCLK to

rising CS)

t

CS(lag)

250

–

–

ns

–

9.5.16

Transfer delay time (rising CS to

falling CS)

t

CS(td)

250

–

–

ns

–

9.5.17

Data setup time (required time SI to

falling SCLK)

t

SI(su)

20

–

–

ns

–