HEF4527BN View Datasheet(PDF) - Philips Electronics

Part Name

Description

MFG CO.

HEF4527BN

BCD rate multiplier

Philips Electronics 

Philips Semiconductors

BCD rate multiplier

APPLICATION INFORMATION

Add mode

Product specification

HEF4527B

MSI

Output rate = 10n (0,1 BCD1 + 0,01 BCD2 + 0,01 BCD3 + ........), in where n = number of cascaded RMs.

Example: RM1 preset to 9 and RM2 preset to 4, output rate is 102 (0,1 × 9 + 0,01 × 4) = 94.

Fig.5 Two HEF4527B cascaded in the add mode.

Multiply mode

Output rate = 10n (0,1 BCD1 × 0,1 BCD2 × 0,1 BCD3 × ........), in where n = number of cascaded RMs.

Example: RM1 preset to 9 and RM2 preset to 4, output rate is 102 (0,1 × 9 × 0,1 × 4) = 36.

Fig.6 Two HEF4527B cascaded in the multiply mode.

January 1995

10

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