SN74ALVCH162525

18-BIT REGISTERED BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

SCES058F – NOVEMBER 1995 – REVISED SEPTEMBER 1999

7

POST OFFICE BOX 655303

timing requirements over recommended operating free-air temperature range (unless otherwise

noted) (see Figures 1 through 3)

VCC = 1.8 V

VCC = 2.5 V

± 0.2 V

VCC = 2.7 V

VCC = 3.3 V

± 0.3 V

UNIT

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

fclock

Clock frequency

†

120

125

150

MHz

tw

Pulse duration, CLK high or low

†

3.2

3.2

3

ns

A data before CLKAB

↑

†

1.3

1.3

1.3

B data before CLK2BA

↑

†

2.1

1.8

1.7

B data before CLK1BA

↑

†

1.3

1.2

1.1

tsu

Setup time

SEL before CLK2BA

↑

†

3.3

3.3

3.3

ns

CLKENAB before CLKAB

↑

†

2.1

1.9

1.6

CLKENBA before CLK1BA

↑

†

2.7

2.5

2.1

CLKENBA before CLK2BA

↑

†

2.7

2.5

2.2

A data after CLKAB

↑

†

0.7

0.4

0.9

B data after CLK2BA

↑

†

0.4

0

0.6

B data after CLK1BA

↑

†

0.8

0.4

1

th

Hold time

SEL after CLK2BA

↑

†

0

0

0.1

ns

CLKENAB after CLKAB

↑

†

0.1

0.3

0.3

CLKENBA after CLK1BA

↑

†

0

0

0.1

CLKENBA after CLK2BA

↑

†

0

0

0

† This information was not available at the time of publication.

switching characteristics over recommended operating free-air temperature range (unless

otherwise noted) (see Figures 1 through 3)

PARAMETER

FROM

(INPUT)

TO

(OUTPUT)

VCC = 1.8 V

VCC = 2.5 V

± 0.2 V

VCC = 2.7 V

VCC = 3.3 V

± 0.3 V

UNIT

(INPUT)

(OUTPUT)

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

fmax

†

120

125

150

MHz

t d

CLKAB

B

†

1

5.5

5.4

1

4.7

ns

tpd

CLK2BA

A

†

1

4.5

4.4

1

4.2

ns

t

OEBA

A

†

1

6.1

6.1

1

5.1

ns

ten

OEAB

B

†

1

6.7

6.8

1

5.7

ns

tdi

OEBA

A

†

1

6.3

5.4

1

4.9

ns

tdis

OEAB

B

†

1

6.3

5.4

1

4.9

ns

† This information was not available at the time of publication.

PARAMETER

TEST CONDITIONS

VCC = 1.8 V VCC = 2.5 V VCC = 3.3 V

UNIT

PARAMETER

TEST CONDITIONS

TYP

TYP

TYP

UNIT

C d

Power dissipation

Outputs enabled

CL =50 pF

f=10MHz

†

160

160

pF

Cpd

capacitance

Outputs disabled

CL = 50 pF,

f = 10 MHz

†

160

160

pF

† This information was not available at the time of publication.