74LVCH32245A datasheet(6/13 Pages) NXP

Part #	74LVCH32245A

Description	32-bit bus transceiver with direction pin; 5 V tolerant; 3-state

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Manufacturer	NXP [NXP Semiconductors]

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74LVCH32245A_3

Product data sheet

Rev. 03 — 20 August 2007

6 of 13

NXP Semiconductors

74LVCH32245A

32-bit bus transceiver with direction pin; 5 V tolerant; 3-state

9.

Static characteristics

[1]

All typical values are measured at VCC = 3.3 V (unless stated otherwise) and Tamb =25 °C.

[2]

The bus hold circuit is switched off when VI >VCC allowing 5.5 V on the input terminal.

[3]

For I/O ports the parameter IOZ includes the input leakage current.

[4]

Valid for data inputs only. Note that control inputs do not have a bus hold circuit.

[5]

The speciﬁed sustaining current at the data input holds the input below the speciﬁed VI level.

[6]

The speciﬁed overdrive current at the data input forces the data input to the opposite input state.

Table 6.

Static characteristics

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

Symbol

Parameter

Conditions

VCC (V)

Min

Typ[1]

Max

Unit

Tamb = −40 °C to +85 °C

VIH

HIGH-level input voltage

1.2

VCC

--

V

2.7 to 3.6

2.0

-

V

VIL

LOW-level input voltage

1.2

-

GND

V

2.7 to 3.6

-

0.8

V

VOH

HIGH-level output voltage

VI =VIH or VIL

IO = −100 µA

2.7 to 3.6

VCC − 0.2

VCC

-V

IO = −12 mA

2.7

VCC − 0.5

-

V

IO = −18 mA

3.0

VCC − 0.6

-

V

IO = −24 mA

3.0

VCC − 0.8

-

V

VOL

LOW-level output voltage

VI =VIH or VIL

IO = 100 µA

2.7 to 3.6

-

GND

0.20

V

IO = 12 mA

2.7

-

0.40

V

IO = 24 mA

3.0

-

0.55

V

II

input leakage current

VI = 5.5 V or GND

3.6

[2]

-

±0.1

±5

µA

IOZ

OFF-state output current

VI =VIH or VIL;

VO = 5.5 V or GND

3.6

[2][3]

-

±0.1

±5

µA

IOFF

power-off leakage current

VI or VO = 5.5 V

0.0

-

±0.1

±10

µA

ICC

supply current

VI =VCC or GND; IO = 0 A

3.6

-

0.1

40

µA

∆ICC

additional supply current

per input pin;

VI =VCC − 0.6 V; IO =0A

2.7 to 3.6

-

5

500

µA

CI

input capacitance

VI = GND to VCC

0 to 3.6

-

5.0

-

pF

CI/O

input/output capacitance

VI = GND to VCC

0 to 3.6

-

10

-

pF

IBHL

bus hold LOW current

VI = 0.8 V

3.0

[4][5]

75

-

µA

IBHH

bus hold HIGH current

VI = 2.0 V

3.0

[4][5]

−75

-

µA

IBHLO

bus hold LOW overdrive

current

3.6

[4][6]

500

-

µA

IBHHO

bus hold HIGH overdrive

current

3.6

[4][6]

−500

-

µA

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