DS12667 Rev 6

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L99MOD51XP

SPI - electrical characteristics

32

Note:

DI timing parameters tested in production by a passed/failed test:

SPI communication @ 1.25 MHz.

Note:

See Figure 3 and Figure 4.

Note:

See Figure 5 and Figure 6.

Note:

See Figure 7.

Table 15. DO

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Output low level

0.2

0.4

V

Output high level

-0.4

-0.2

V

Tristate leakage current

-10

10

μA

Tristate input capacitance

10

15

pF

1. Value of input capacity is not measured in production test. Parameter guaranteed by design.

Table 16. DO timing

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

DO rise time

80

140

ns

DO fall time

50

100

ns

DO enable time

from tristate to low level

100

250

ns

DO disable time

from low level to tristate

380

450

ns

DO enable time

from tristate to high level

pull-down load to GND

100

250

ns

DO disable time

from high level to tristate

pull-down load to GND

380

450

ns

DO delay time

50

250

ns

Table 17. EN, CSN timing

Symbol

Parameter

Test condition

Min.

Typ.

Max.

Unit

Minimum EN high before sending

first SPI frame, i.e. CSN going low

Transfer of SPI-command to

input register

20

50

μs

Minimum CSN HI time between

two SPI frames

Transfer of SPI-command to

input register

24

μs