74AUP1G157 datasheet(9/16 Pages) NXP

Part #	74AUP1G157

Description	Low-power 2-input multiplexer

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Manufacturer	NXP [NXP Semiconductors]

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74AUP1G157_2

Product data sheet

Rev. 02 — 5 February 2008

9 of 16

NXP Semiconductors

74AUP1G157

Low-power 2-input multiplexer

[1]

All typical values are measured at nominal VCC.

[2]

tpd is the same as tPLH and tPHL.

[3]

CPD is used to determine the dynamic power dissipation (PD in µW).

PD =CPD × VCC2 × fi × N+ Σ(CL × VCC2 × fo) where:

fi = input frequency in MHz;

fo = output frequency in MHz;

CL = output load capacitance in pF;

VCC = supply voltage in V;

N = number of inputs switching;

Σ(C

L × VCC

2

× f

o) = sum of the outputs.

12. Waveforms

CL = 5 pF, 10 pF, 15 pF and 30 pF

CPD

power dissipation

capacitance

fi = 1 MHz; VI = GND to VCC

[3]

VCC = 0.8 V

-

2.6

-

pF

VCC = 1.1 V to 1.3 V

-

2.7

-

pF

VCC = 1.4 V to 1.6 V

-

2.8

-

pF

VCC = 1.65 V to 1.95 V

-

2.9

-

pF

VCC = 2.3 V to 2.7 V

-

3.4

-

pF

VCC = 3.0 V to 3.6 V

-

4.0

-

pF

Table 8.

Dynamic characteristics …continued

Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 9.

Symbol Parameter

Conditions

25

°C

−40 °C to +125 °C

Unit

Min

Typ[1]

Max

Min

Max

(85

°C)

Max

(125

°C)

Measurement points are given in Table 9.

Logic levels: VOL and VOH are typical output voltage drop that occur with the output load.

Fig 8.

The data inputs (I0, I1) and common data select input (S) to output (Y) propagation delays

001aac658

I0, I1, S input

Y output

VI

VOH

VOL

VM

tPHL

tPLH

VM

GND

Table 9.

Measurement points

Supply voltage

Output

Input

VCC

VM

VI

tr = tf

0.8 V to 3.6 V

0.5

× V

CC

0.5

× V

CC

VCC

≤ 3.0 ns

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