74LVTH32245_15 datasheet(6/13 Pages) PHILIPS

Numer części	74LVTH32245

Szczegółowy opis	3.3 V 32-bit bus transceiver; 3-state

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74LVTH32245_1

Product data sheet

Rev. 01 — 23 January 2008

6 of 13

NXP Semiconductors

74LVTH32245

3.3 V 32-bit bus transceiver; 3-state

[1]

All typical values are at VCC = 3.3 V and Tamb = 25 °C unless otherwise speciﬁed.

[2]

Unused pins at VCC or GND.

[3]

This is the bus-hold overdrive current required to force the input to the opposite logic state.

[4]

This parameter is valid for any VCC between 0 V and 1.2 V with a transition time of up to 10 ms. From VCC =1.2 VtoVCC = 3.3 V ± 0.3 V

a transition time of 100

µs is permitted. This parameter is valid for T

amb = 25 °C only.

[5]

ICC is measured with outputs pulled to VCC or GND.

[6]

This is the increase in supply current for each input at the speciﬁed voltage level other than VCC or GND.

10. Dynamic characteristics

IBHL

bus hold LOW current

VCC = 3 V; VI = 0.8 V

75

135

-

µA

IBHH

bus hold HIGH current

VCC = 3 V; VI = 2.0 V

-

−135

−75

µA

IBHLO

bus hold LOW overdrive

current

VCC = 0 V to 3.6 V; VI = 3.6 V

[3] 500

-

µA

IBHHO

bus hold HIGH overdrive

current

VCC = 0 V to 3.6 V; VI = 3.6 V

[3] --

−500

µA

ICC

supply current

VCC = 3.6 V; VI = GND or VCC;IO =0A

outputs HIGH

-

0.14

0.24

mA

outputs LOW

-

8.4

12

mA

outputs disabled

[5] -

0.14

0.24

mA

∆ICC

additional supply current

per input pin; VCC = 3 V to 3.6 V;

one input at VCC − 0.6 V; other inputs

at VCC or GND

[6] -

0.1

0.2

mA

CI

input capacitance

control pins; VO = 0 V or 3.0 V

-

3

-

pF

CI/O

input/output capacitance

input/output data pins; outputs

disabled; VCC = 3.6 V; IO = 0 A;

VI = GND or VCC

-9

-

pF

Table 6.

Static characteristics …continued

At recommended operating conditions; voltages are referenced to GND (ground = 0 V).

Symbol Parameter

Conditions

Min

Typ

Max

Unit

Table 7.

Dynamic characteristics

Voltages are referenced to GND (ground = 0 V); for load circuit see Figure 7.

Symbol

Parameter

Conditions

Min

Typ[1]

Max

Unit

Tamb = −40 °C to +85 °C

tPLH

LOW to HIGH propagation delay

nAn to nBn or nBn to nAn; see Figure 5

VCC = 2.7 V

-

3.5

ns

VCC = 3.0 V to 3.6 V

1.0

1.9

3.3

ns

tPHL

HIGH to LOW propagation delay

nAn to nBn or nBn to nAn; see Figure 5

VCC = 2.7 V

-

3.5

ns

VCC = 3.0 V to 3.6 V

1.0

1.7

3.3

ns

tPZH

OFF-state to HIGH propagation

delay

nOE to nAn or nBn; see Figure 6

VCC = 2.7 V

-

5.3

ns

VCC = 3.0 V to 3.6 V

1.0

2.8

4.5

ns

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