CD22102E 查看數據表（PDF） - Harris Semiconductor

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CD22102E

CMOS 4 x 4 x 2 Crosspoint Switch with Control Memory

Harris Semiconductor 

CD22101, CD22102

Test Circuits and Waveforms (Continued)

ADDRESS = 0

VDD

VIS

SW

VOS1

1kΩ

SW = ANY CROSSPOINT

STROBE = VDD

50pF

ADDRESS = 1

VDD

ADDRESS

0

VDD

VIS

SW

VOS2

VDD

DATA-IN

0

1kΩ

50pF

VDD

VOS1

0

VDD

VOS2

0

50%

tS

tH

50%

tPHZ

90%

50%

tPZH

10%

FIGURE 8. PROPAGATION DELAY TIME TEST CIRCUIT AND WAVEFORMS

(ADDRESS TO SIGNAL OUTPUT, SWITCH TURN-ON OR TURN-OFF)

STROBE

50%

DATA

tSU

tH

50%

ADDRESS

OUTPUT OF SWITCH

ADDRESSED

DATA-IN

STROBE

Y2

tHLH

1µs

50%

tHHL

1µs

tHLH

50%

1µs

IF SETUP AND HOLD TIMES PROVIDED ARE TOO SHORT,

AN UNADDRESSED SWITCH MAY BE TURNED ON OR OFF

SIMULTANEOUSLY WITH THE ADDRESSED SWITCH

SET ALL SWITCHES TO OFF INITIALLY APPLY VDD

TO ALL X INPUTS AND RETURN ALL Y OUTPUTS TO

VSS THROUGH 1kΩ. ADDRESS X1Y2 (ABCD) WITH fIN = 10kHz

FIGURE 9. ADDRESS TO STROBE SETUP AND HOLD TIMES FIGURE 10. STROBE TO DATA-IN HOLD TIME tH, FOR CD22101

CONTROLS

X (N)

1kΩ

SW

Y (N)

10kΩ

SW = ANY CROSSPOINT

5µs

VDD

CONTROL

0

75mV

VOS

0

FIGURE 11. TEST CIRCUIT AND WAVEFORMS FOR CROSSTALK (CONTROL INPUT TO SIGNAL OUTPUT)

4-202

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