CD54HC4051F3A datasheet(24/49 Pages) TI

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100

INPUT SIGNAL VOLTAGE (V)

VCC − VEE = 4.5V

VCC − VEE = 6V

VCC − VEE = 9V

CD54HC4051, CD74HC4051

CD54HCT4051, CD74HCT4051, CD54HC4052, CD74HC4052, CD54HCT4052

CD74HCT4052, CD54HC4053, CD74HC4053, CD54HCT4053, CD74HCT4053

SCHS122M – NOVEMBER 1997 – REVISED MAY 2019

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Product Folder Links: CD54HC4051 CD74HC4051 CD54HCT4051 CD74HCT4051 CD54HC4052 CD74HC4052

CD54HCT4052 CD74HCT4052 CD54HC4053 CD74HC4053 CD54HCT4053 CD74HCT4053

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Typical Application (continued)

See Table 4 for the input loading details.

(1)

Unit load is ΔICC limit specified in Specifications, for example, 360-mA MAX at 25°C.

Table 4. HCT Input Loading Table

TYPE

INPUT

UNIT LOADS(1)

4051, 4053

All

0.5

4052

All

0.4

9.2.2 Detailed Design Procedure

1. Recommended input conditions:

–

For switch time specifications, see propagation delay times in Electrical Characteristics: HC Devices.

–

Inputs must not be pushed more than 0.5 V above VDD or below VEE.

–

For input voltage level specifications for control inputs, see VIH and VIL in Electrical Characteristics: HC

Devices.

2. Recommended output conditions:

–

Outputs must not be pulled above VDD or below VEE.

3. Input and output current consideration:

–

The CDx4HCx405x series of parts do not have internal current-drive circuitry, and thus cannot sink or

source current. Any current will be passed through the device.

9.2.3 Application Curve

Figure 21. Typical ON Resistance vs Input Signal Voltage

10 Power Supply Recommendations

The power supply can be any voltage between the minimum and maximum supply voltage rating located in the

Electrical Characteristics: HC Devices.

Each VCC terminal must have a good bypass capacitor to prevent power disturbance. For devices with a single

supply, a 0.1-μF bypass capacitor is recommended. If there are multiple pins labeled VCC, then a 0.01-μF or

0.022-μF capacitor is recommended for each VCC because the VCC pins will be tied together internally. For

devices with dual-supply pins operating at different voltages, for example VCC and VDD, a 0.1-µF bypass

capacitor is recommended for each supply pin. It is acceptable to parallel multiple bypass capacitors to reject

different frequencies of noise. A 0.1-μF and a 1-μF capacitor are commonly used in parallel. For best results, the

bypass capacitor or capacitors must be installed as close as possible to the power terminal.

CD54HC4051F3A Datasheet(PDF) 24 Page - Texas Instruments

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