HD74HC190P datasheet(9/13 Pages) RENESAS

Part #	HD74HC190P

Description	Synchronous Up/Down Decade Counter (Single Clock Line)

PDF	13 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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9 / 13 page

HD74HC190, HD74HC191

Rev.3.00, Jan 31, 2006 page 9 of 12

Load

Output Q

Data

(A to D)

VCC

50%

VOL

VOH

0 V

VCC

0 V

1. Input pulse : PRR

≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

2. Conditions on other inputs are Vcc.

Notes :

tPLH

90%

10%

90%

(Corresponding to data input)

• Waveform – 2

50%

tTLH

tTHL

90%

10%

90%

tPHL

50%

tPLH

tTLH

tTHL

90%

10%

90%

tPHL

90%

10%

90%

10%

50%

VOH

VOL

0 V

VCC

tPLH

50 %

Load

0 V

VCC

Down / Up

Clock

10 %

90 %

10 %

• Waveform – 3

10 %

90 %

tTLH

10 %

tTHL

0 V

VCC

0 V

VOH

Max / Min

tPHL

50 %

Ripple / Clock

50 %

10 %

tTHL

50 %

10 %

90 %

tTLH

50 %

10 %

90 %

tTLH

50 %

10 %

tTHL

50 %

90 %

tPLH

tPHL

90 %

10 %

90 %

10 %

90 %

VOL

Notes : 1. Input pulse : PRR

≤ 1 MHz, Zo = 50 Ω, t ≤ 6 ns, t ≤ 6 ns

2. All data inputs are GND.

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