SA8702 Ver la hoja de datos (PDF) - South African Micro Electronic Systems

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SA8702

BLOCK MODE TIME SLOT ALLOCATION CIRCUIT

South African Micro Electronic Systems 

SA8702

Operating Modes

BL1

BL0

0

0

0

1

1

0

1

1

Mode of Operation

Outputs active in timeslots 0 to 7

Outputs active in timeslots 8 to 15

Outputs active in timeslots 16 to 23

Outputs active in timeslots 24 to 31

Table 1.

Input pulse XSYNC occurs periodically in every frame and is used to generate the

first of the eight timeslots and also defines the beginning of Block 0. If XSYNC fails

high then the outputs will be generated as they were before the failure occured.

Should XSYNC fail low then the outputs will be deactivated after completion of the

frame.

Maximum Ratings

All voltages measured with respect to V .

SS

Parameter

Symbol

Value

Units

Supply voltage

VDD

+7,5

V

Positive voltage on any pin

VHM

VDD +0,3

V

Negative voltage on any pin

VLM

VSS -0,3

V

Maximum current through any pin

IHM

±10

mA

Storage temperature

T

-55 to +150

°C

ST

Operating temperature

TO

-10 to +70

°C

Stresses beyond these values may cause permanent damage to the device. Exposure to

maximum rated conditions for extended periods may affect device reliability.

sames

2

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