SCAN RESET

ENABLE

SCAN

CASCADE ENABLE A

CASCADE ENABLE B

CASCADE ENABLE C

DATA BYTE ON BUS

PACKAGE

A

1

2

3

4

5

1

2

3

4

5

B

1

2

3

4

5

C

FIGURE 6. TIMING DIAGRAM FOR THE 3 DEVICE CASCADE

(END OF SCAN)

RADIATION

PULSE

DETECTOR

VOLTAGE

DISCRIMINATORS

PRESCALERS

SCAN

PROCESSOR

EN

CE

EN

CE

EN

CE

B

U

S

CASCADE ENABLE

LS7061 OR LS7063

Pulse voltage

proportional

to energy of

radiation

FIGURE 7. APPLICATION EXAMPLE: HIGH SPEED DIFFERENTIAL ENERGY ANALYZER

NOTE : The processor subtracts counts from successive counters to determine

the differential energy spectrum

7061/63-083198-6