Datasheet

23

Rev. 1.0, 2009-09-30

SPI Driver for Enhanced Relay Control

SPIDER - TLE7243SL

Serial Peripheral Interface (SPI)

8.4

SPI Characteristics

Note: Characteristics show the deviation of parameter at given supply voltage and junction temperature. Typical

values show the typical parameters expected from manufacturing.

Electrical Characteristics: Serial Peripheral Interface (SPI)

All voltages with respect to ground, positive current flowing into pin

unless otherwise specified:

V

Pos.

Parameter

Symbol

Limit Values

Unit

Conditions

Min.

Typ.

Max.

8.4.1

L level of pin

CS

SCLK

SI

00.2*

8.4.2

H level of pin

CS

SCLK

SI

0.4*

V

DD

8.4.3

317

40

μA

8.4.4

315

40

μA

1)

8.4.5

L-input pull-down current through

pin

SCLK

SI

312

80

μA

1)

8.4.6

H-input pull-down current through

pin

SCLK

SI

10

40

80

μA

8.4.7

L level output voltage

00.6

V

8.4.8

H level output voltage

V

0.4 V

V

DD

8.4.9

Output tristate leakage current

-10

10

μA

V

Timings

8.4.10

Serial clock frequency

05

MHz

1)

8.4.11

Serial clock period

200

ns

1)

8.4.12

Serial clock high time

50

ns

1)

8.4.13

Serial clock low time

50

ns

1)

8.4.14

Enable lead time (falling CS to

rising SCLK)

250

ns

1)

8.4.15

Enable lag time (falling SCLK to

rising CS)

250

ns

1)

8.4.16

Transfer delay time (rising CS to

falling CS)

250

ns

1)2)

8.4.17

Data setup time (required time SI to

falling SCLK)

20

ns

1)