74AHCT157PW,112 查看數據表（PDF） - NXP Semiconductors.

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74AHCT157PW,112

Quad 2-input multiplexer

NXP Semiconductors. 

NXP Semiconductors

74AHC157; 74AHCT157

Quad 2-input multiplexer

Table 6. Static characteristics …continued

Voltages are referenced to GND (ground = 0 V).

Symbol Parameter Conditions

II

ICC

∆ICC

CI

CO

input leakage VI = 5.5 V or GND;

current

VCC = 0 V to 5.5 V

supply current VI = VCC or GND; IO = 0 A;

VCC = 5.5 V

additional

per input pin;

supply current VI = VCC − 2.1 V; IO = 0 A;

other pins at VCC or GND;

VCC = 4.5 V to 5.5 V

input

capacitance

output

capacitance

10. Dynamic characteristics

25 °C

−40 °C to +85 °C −40 °C to +125 °C Unit

Min Typ Max Min Max

Min

Max

-

- 0.1

-

1.0

-

2.0 µA

-

- 4.0

-

40

-

80 µA

-

- 1.35 -

1.5

-

1.5 mA

-

3 10

-

10

-

10 pF

- 4.0 -

-

-

-

-

pF

Table 7. Dynamic characteristics

GND = 0 V; For test circuit see Figure 9.

Symbol Parameter Conditions

25 °C

−40 °C to +85 °C −40 °C to +125 Unit

°C

Min Typ[1] Max Min

Max

Min

Max

For type 74AHC157

tpd

propagation nI0, nI1 to nY; see Figure 7 [2]

delay

VCC = 3.0 V to 3.6 V

CL = 15 pF

- 4.4 9.7 1.0

11.5

1.0

12.5 ns

CL = 50 pF

- 6.3 13.2 1.0

15.0

1.0

16.5 ns

VCC = 4.5 V to 5.5 V

CL = 15 pF

- 3.2 6.4 1.0

7.5

1.0

8.0 ns

CL = 50 pF

- 4.6 8.4 1.0

9.5

1.0

10.5 ns

S to nY; see Figure 7

[2]

VCC = 3.0 V to 3.6 V

CL = 15 pF

CL = 50 pF

VCC = 4.5 V to 5.5 V

CL = 15 pF

CL = 50 pF

E to nY; see Figure 8

- 4.8 13.6 1.0

16.0

1.0

17.0 ns

- 6.8 17.1 1.0

19.5

1.0

21.5 ns

- 3.6 8.6 1.0

10.0

1.0

11.0 ns

- 5.2 10.6 1.0

12.0

1.0

13.5 ns

[2]

VCC = 3.0 V to 3.6 V

CL = 15 pF

CL = 50 pF

VCC = 4.5 V to 5.5 V

CL = 15 pF

CL = 50 pF

- 5.9 13.2 1.0

15.5

1.0

16.5 ns

- 8.4 16.7 1.0

19.0

1.0

21.0 ns

- 4.2 8.1 1.0

9.5

1.0

10.5 ns

- 6.0 10.1 1.0

11.5

1.0

13.0 ns

74AHC_AHCT157_2

Product data sheet

Rev. 02 — 9 November 2007

© NXP B.V. 2007. All rights reserved.

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