SPI/Microwire-Compatible

UART in QSOP-16

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3

ELECTRICAL CHARACTERISTICS (continued)

Ω

CONDITIONS

ns

100

SCLK Low Time

ns

100

SCLK High Time

ns

238

SCLK Period

ns

0

DIN to SCLK Hold Time

ns

100

DIN to SCLK Setup Time

ns

100

SCLK Fall to DOUT Valid

ns

0

CS to SCLK Hold Time

ns

100

CS to SCLK Setup Time

ns

100

CS High to DOUT Tri-State

ns

100

CS Low to DOUT Valid

UNITS

MIN

TYP

MAX

SYMBOL

PARAMETER

(Note 1)

ns

10

Output Rise Time

ns

200

CS High Pulse Width

ns

100

SCLK Rising Edge

to CS Falling

(Note 1)

ns

200

CS Rising Edge

to SCLK Rising

• • •

• • •

• • •

• • •

CS

SCLK

DIN

DOUT

Figure 1. Detailed Serial-Interface Timing

ns

10

Output Fall Time

AC TIMING (Figure 1)