74LVT2245(1998) 데이터 시트보기 (PDF) - Philips Electronics

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74LVT2245
(Rev.:1998)

3.3V Octal transceiver with 30Ω termination resistors (3-State)

Philips Electronics 

Philips Semiconductors

3.3V Octal transceiver with 30Ω

termination resistors (3-State)

Product specification

74LVT2245

RECOMMENDED OPERATING CONDITIONS

SYMBOL

PARAMETER

VCC

VI

VIH

VIL

IOH

IOL

∆t/∆v

Tamb

DC supply voltage

Input voltage

High-level input voltage

Input voltage

High-level output current

Low-level output current

Input transition rise or fall rate; Outputs enabled

Operating free-air temperature range

LIMITS

MIN

MAX

2.7

3.6

0

5.5

2.0

0.8

–12

12

10

–40

+85

UNIT

V

V

V

V

mA

mA

ns/V

°C

DC ELECTRICAL CHARACTERISTICS

LIMITS

SYMBOL

PARAMETER

TEST CONDITIONS

Temp = –40°C to +85°C UNIT

MIN

TYP1 MAX

VIK

VOH

VOL

II

IOFF

IHOLD

IEX

IPU/PD

Input clamp voltage

High-level output voltage

Low-level output voltage

Input leakage current

Output off current

Bus Hold current A inputs6

Current into an ouptut in the

High state when VO > VCC

Power up/down 3-State output

current3

VCC = 2.7V; IIK = –18mA

VCC = 3.0V; IOH = –12mA

VCC = 3.0V; IOL = 12mA

VCC = 0 or 3.6V; VI = 5.5V

VCC = 3.6V; VI = VCC or GND

VCC = 3.6V; VI = 5.5V

VCC = 3.6V; VI = VCC

VCC = 3.6V; VI = 0

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

VCC = 3V; VI = 0.8V

VCC = 3V; VI = 2.0V

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

Control pins

I/O Data pins4

VO = 5.5V; VCC = 3.0V

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

OE/OE = Don’t care

2.0

75

–75

±500

–0.9 –1.2

V

2.2

V

0.8

V

1

10

±0.1

±1

1

20

µA

0.1

1

–1

-5

1

±100 µA

150

–150

µA

60

125 µA

15

±100 µA

ICCH

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

0.13 0.19

ICCL Quiescent supply current

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

3

12 mA

ICCZ

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

0.13 0.19

∆ICC

Additional supply current per

input pin3

VCC = 3V to 3.6V; One input at VCC-0.6V,

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 up to VCC or down to GND

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

1998 Feb 19

4

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