MC33990(2003) 데이터 시트보기 (PDF) - Freescale Semiconductor

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MC33990
(Rev.:2003)

Enhanced Class B Serial Transceiver

Freescale Semiconductor 

Freescale Semiconductor, Inc.

Electrical Performance Curves

Test Figures

33990

VBAT

BUS

IBUS (LOG)

-18 V

GND

Floating

LOAD

-18 V

ILOAD (LOG)

Figure 2. Loss of Ground Test Circuit

5.0 V

Tx

0V

64 µs

1.5 V

tpwd(min)

tpwd

tpwd(max)

Figure 5. Pulse Width Distortion

33990

VBAT

Floating

BUS

IBUS (LOB)

9.0 V

GND

Figure 3. Loss of VBAT Test Circuit

3.5 V

Tx

0.8 V

64 µs

80%

BUS

20%

t rise

t fall

Figure 4. BUS Rise and Fall Times

SLEEP

2.5 V

Tx tSLEEPTxSU

2.5 V

BUS

tTxDelay

3.875 V

Figure 6. SLEEP to Tx Delay Times

BUS

Rx

122 µs

tRxDelay / low-

to-output high

3.875 V

tRxDelay /high-to-

output low

2.5 V

Figure 7. BUS-to-Rx Delay Time

33990

8

For More Information OMnOTTOhRiOsLAPrAoNdALuOcGt,INTEGRATED CIRCUIT DEVICE DATA

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