74LVC16244A datasheet(9/18 Pages) PHILIPS

9 / 18 page

2003 Dec 08

Philips Semiconductors

Product speciﬁcation

16-bit buffer/line driver; 5 V input/output

tolerant; 3-state

74LVC16244A;

74LVCH16244A

Notes

1. All typical values are measured at VCC = 3.3 V and Tamb =25 °C.

2. For bushold parts, the bushold circuit is switched off when VI >VCC allowing 5.5 V on the input pin.

3. Valid for data inputs of bushold parts (74LVCH16244A) only. For data inputs only, control inputs do not have a

bushold circuit.

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

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

Tamb = −40 to +125 °C

VIH

HIGH-level input voltage

1.2

VCC

−−

2.7 to 3.6

2.0

−−

VIL

LOW-level input voltage

1.2

−−

2.7 to 3.6

−−

0.8

VOH

HIGH-level output voltage

VI =VIH or VIL

IO = −100 µA

2.7 to 3.6

VCC − 0.3

−−

IO = −12 mA

2.7

VCC − 0.65

−−

IO = −18 mA

3.0

VCC − 0.75

−−

IO = −24 mA

3.0

VCC − 1

−−

VOL

LOW-level output voltage

VI =VIH or VIL

IO = 100 µA

2.7 to 3.6

−−

0.3

IO =12mA

2.7

−−

0.6

IO =24mA

3.0

−−

0.8

ILI

input leakage current

VI = 5.5 V or GND;

note 2

3.6

−−

±20

µA

IOZ

3-state output OFF-state

current

VI =VIH or VIL;

VO = 5.5 V or GND;

note 2

3.6

−−

±20

µA

Ioff

power-off leakage supply

current

VI or VO = 5.5 V

0.0

−−

±20

µA

ICC

quiescent supply current

VI =VCC or GND;

IO =0

3.6

−−

µA

∆ICC

additional quiescent supply

current per input pin

VI =VCC − 0.6 V;

IO =0

2.7 to 3.6

−−

5000

µA

IBH

bushold LOW sustaining

current

VI = 0.8 V;

notes 3 and 4

3.0

−−µA

IBHH

bushold HIGH sustaining

current

VI = 2.0 V;

notes 3 and 4

3.0

−60

−−µA

IBHLO

bushold LOW overdrive

current

notes 3 and 5

3.6

500

−−µA

IBHHO

bushold HIGH overdrive

current

notes 3 and 5

3.6

−500

−−µA

SYMBOL

PARAMETER

TEST CONDITIONS

MIN.

TYP.

MAX.

UNIT

OTHER

VCC (V)

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