74LVT646PWDH datasheet(7/14 Pages) PHILIPS

部品番号	74LVT646PWDH

部品情報	3.3V Octal bus transceiver/register 3-State

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メーカー	PHILIPS [NXP Semiconductors]

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Philips Semiconductors

Product specification

74LVT646

3.3V Octal bus transceiver/register (3-State)

1998 Feb 19

7

AC CHARACTERISTICS

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

LIMITS

SYMBOL

PARAMETER

WAVEFORM

VCC = 3.3V ± 0.3V

VCC = 2.7V

UNIT

MIN

TYP1

MAX

fMAX

Maximum clock frequency

1

150

180

MHz

tPLH

tPHL

Propagation delay

CPAB to Bn or CPBA to An

1

1.8

2.1

3.8

5.7

6.7

6.4

ns

tPLH

tPHL

Propagation delay

An to Bn or Bn to An

2

1.3

1.0

2.8

2.7

4.7

4.6

5.4

5.3

ns

tPLH

tPHL

Propagation delay

SAB to Bn or SBA to An

2

3

1.4

3.7

3.8

6.2

7.2

6.8

ns

tPZH

tPZL

Output enable time

OE to An or Bn

5

6

1.0

4.0

4.1

5.8

6.0

7.2

7.3

ns

tPHZ

tPLZ

Output disable time

OE to An or Bn

5

6

2.3

2.2

4.3

3.8

6.5

5.8

6.9

5.9

ns

tPZH

tPZL

Output enable time

DIR to An or Bn

5

6

1.0

1.2

3.4

6.5

6.3

7.5

7.1

ns

tPHZ

tPLZ

Output disable time

DIR to An or Bn

5

6

1.7

1.5

4.1

3.5

7.2

5.8

8.1

6.3

ns

NOTE:

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

AC SETUP REQUIREMENTS

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

LIMITS

SYMBOL

PARAMETER

WAVEFORM

VCC = 3.3V± 0.3V

VCC = 2.7V

UNIT

Min

Typ

Min

ts(H)

ts(L)

Setup time1

An to CPAB, Bn to CPBA

4

1.5

2.0

1.0

1.6

2.4

ns

th(H)

th(L)

Hold time1

An to CPAB, Bn to CPBA

4

0.0

–1.0

0.0

ns

tw(H)

tw(L)

Pulse width, High or Low

CPAB or CPBA

1

3.3

1.0

2.0

3.3

ns

NOTE:

1. This data sheet limit may vary among suppliers.

同様の部品番号 - 74LVT646PWDH

メーカー	部品番号	データシート	部品情報
NXP Semiconductors	74LVT640	94Kb / 10P	3.3V Octal transceiver with direction pin; inverting 3-State 1998 Feb 19
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NXP Semiconductors	74LVT640DB	94Kb / 10P	3.3V Octal transceiver with direction pin; inverting 3-State 1998 Feb 19

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