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VT16244BDL

3.3V LVT 16-bit buffer/driver (3-State)

Philips Electronics 

Philips Semiconductors

3.3V 16-bit buffer/driver (3-State)

Product specification

74LVT16244B

DC ELECTRICAL CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

TEST CONDITIONS

Temp = -40°C to +85°C UNIT

MIN TYP1 MAX

VIK

Input clamp voltage

VCC = 2.7V; IIK = -18mA

-0.85 -1.2

V

VCC = 2.7 to 3.6V; IOH = -100µA

VCC–0.2 VCC

VOH

High-level output voltage

VCC = 2.7V; IOH = -8mA

2.4

2.5

V

VCC = 3.0V; IOH = -32mA

2.0

2.3

VCC = 2.7V; IOL = 100µA

0.07 0.2

VCC = 2.7V; IOL = 24mA

0.3 0.5

VOL

Low-level output voltage

VCC = 3.0V; IOL = 16mA

0.25 0.4

V

VCC = 3.0V; IOL = 32mA

0.3 0.5

VCC = 3.0V; IOL = 64mA

0.4 0.55

VCC = 3.6V; VI = VCC or GND

Control pins

0.1 ±1.0

II

Input leakage current

VCC = 0 or 3.6V; VI = 5.5V

VCC = 3.6V; VI = VCC

VCC = 3.6V; VI = 0

Data pins4

0.4

10

µA

0.1

1

-0.4

-5

IOFF

Output off current

VCC = 0V; VI or VO = 0 to 4.5V

0.1 ±100 µA

IHOLD Bus Hold current A inputs6

VCC = 3V; VI = 0.8V

VCC = 3V; VI = 2.0V

75

135

-75

-135

µA

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

±500

IEX

Current into an output in the

High state when VO > VCC

VO = 5.5V; VCC = 3.0V

50

125

µA

IPU/PD

Power up/down 3-State

output current3

VCC ≤ 1.2V; VO = 0.5V to VCC; VI = GND or VCC

OE/OE = Don’t care

1

±100 µA

IOZH

3-State output High current

VCC = 3.6V; VO = 3.0V; VI = VIL or VIH

0.5

5

µA

IOZL

3-State output Low current

VCC = 3.6V; VO = 0.5V; VI = VIL or VIH

0.5

-5

µA

ICCH

VCC = 3.6V; Outputs High, VI = GND or VCC, IO = 0

0.07 0.12

ICCL

Quiescent supply current

VCC = 3.6V; Outputs Low, VI = GND or VCC, IO = 0

4.0 6.0 mA

ICCZ

VCC = 3.6V; Outputs Disabled; VI = GND or VCC, IO = 05

0.07 0.12

∆ICC

Additional supply current per VCC = 3V to 3.6V; One input at VCC-0.6V,

input pin2

Other inputs at VCC or GND

0.1 0.2 mA

NOTES:

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

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

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

transition time of 100µsec is permitted. This parameter is valid for Tamb = 25°C only.

4. Unused pins at VCC or GND.

5. ICCZ is measured with outputs pulled to VCC or GND.

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

AC CHARACTERISTICS

GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500Ω; Tamb = -40°C to +85°C.

SYMBOL

PARAMETER

WAVEFORM

tPLH

Propagation delay

tPHL

nAx to nYx

1

tPZH

tPZL

Output enable time

to High and Low level

2

tPHZ

Output disable time

tPLZ

from High and Low Level

2

NOTE:

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

LIMITS

VCC = 3.3V ±0.3V

MIN

TYP1

MAX

0.5

1.8

3.2

0.5

1.7

3.2

1.0

2.3

4.0

1.0

2.1

4.0

1.0

3.2

4.5

1.0

2.9

4.0

VCC = 2.7V

MAX

4.0

4.0

5.0

5.3

5.0

4.4

UNIT

ns

ns

ns

1998 Oct 07

5

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