Analog Integrated Circuit Device Data

Freescale Semiconductor

13

33800

ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

OCTAL SERIAL DRIVERS (OUT1 - OUT8) (CONTINUED)

Output Off Open Circuit Fault Filter Timer(11)

400

500

650

µs

Output Slew Rate

1.0

1.0

5.0

5.0

10

10

V/

µs

P1 Input Propagation Delay

6.0

6.0

µs

P3, P5, P7 Input Propagation Delay

5.0

5.0

µs

OSCILLATOR AND TIMER ACCURACY

Calibrated Timer Accuracy(11)

–

–

±10

%

Un-calibrated Timer Accuracy

–

–

±80

%

SPI DIGITAL INTERFACE TIMING (SO, SI, CS, SCLK)(12)

(13)

1.0

–

–

µs

Falling Edge of CS to Rising Edge of SCLK

Required Setup Time

100

–

–

ns

Falling Edge of SCLK to Rising Edge of CS

Required Setup Time

50

–

–

ns

SI to Rising Edge of SCLK

Required Setup Time

16

–

–

ns

Rising Edge of SCLK to SI

Required Hold Time

20

–

–

ns

SI, CS, SCLK Signal Rise Time(14)

–

5.0

–

ns

SI, CS, SCLK Signal Fall Time(14)

–

5.0

–

ns

Time from Falling Edge of CS to SO Low-impedance(15)

–

–

150

ns

Time from Rising Edge of CS to SO High-impedance(16)

–

–

150

ns

Time from Falling Edge of SCLK to SO Data Valid(17)

–

25

150

ns

Sequential Transfer Rate

Time required between data transfers

1.0

µs

Notes

11.

Assumes oscillator has been calibrated using SPI Calibrate Command

12.

These parameters are guaranteed by design. Production test equipment uses 1MHz, 5.0V SPI interface.

13.

This parameter is guaranteed by design, however it is not production tested.

14.

Rise and Fall time of incoming SI, CS, and SCLK signals for design consideration to prevent the occurrence of double pulsing.

15.

Time required for valid output status data to be available on SO pin.

16.

Time required for output states data to be terminated at SO pin.

17.

Time required to obtain valid data out from SO following the fall of SCLK with 200pF load.

Table 4. Dynamic Electrical Characteristics

Characteristics noted under conditions 3.0V

≤ V

otherwise noted.

Characteristic

Symbol

Min

Typ

Max

Unit