HD151011 查看數據表（PDF） - Renesas Electronics

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HD151011

Dual BCD Programmable Counter with Synchronous Preset Enable

Renesas Electronics 

HD151011

Test Circuit

VCC

Input

Pulse generator

Zout = 50 Ω

Input

Pulse generator

Zout = 50 Ω

VCC

J0

J1

Q

J7

CO

C/T

CLK

CLK

SPE

PR

CLR

Output

Output

CL

CL

Note: 1. CL includes probe and jig capacitance.

Waveforms – 1

CLK

CLK

tw

tw

6 ns

6 ns

10 %

90 % 90 %

Vre*f1

Vre*f1

10 %

tPLH

tPHL

90 %

Q

50 %

10 %

tTLH

tPLH

90 %

50 %

10 %

tTHL

tPHL

90 %

CO

10 %

50 %

tTLH

90 %

50 %

10 %

tTHL

Note:

1. In case of C/T = "L", CLK, CLK is VIH = 3 V, Vref is 1.3 V

In case of C/T = "H", CLK, CLK is VIH = VCC, Vref is VCC × 50%

*1

VIH

GND

VOH

VOL

VOH

VOL

Rev.2.00, Jul.16.2004, page 6 of 13

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