AC Electrical Characteristics

Normal Operation, over recommended operating supply voltage and temperature ranges unless otherwise specified.

Symbol

Parameter

SCANH162602

Units

C

R

Ω to GND

Min

Max

t

Propagation Delay

6.0

ns

t

PHL

AtoB,BtoA

6.0

t

Propagation Delay

6.5

ns

t

PHL

CLKAB to B, CLKBA to A

6.5

t

Propagation Delay

6.5

ns

t

PHL

LEAB to B, LEBA to A

6.5

t

Disable Time, OEAB to B, OEBA to A

8.0

ns

t

PHZ

8.0

t

Enable Time, OEAB to B, OEBA to A

8.0

ns

t

PZH

8.0

AC Operating Requirements

Normal Operation, over recommended operating supply voltage and temperature ranges unless otherwise specified

Symbol

Parameter

All Options

Units

T

C

R

Ω to GND

Guaranteed Minimum

t

S

Setup Time, A to CLKAB or B to CLKBA

1.5

ns

t

H

Hold Time, A to CLKAB or B to CLKBA

2.0

ns

t

S

Setup Time, A to LEAB or B to LEBA

1.5

ns

t

H

Hold Time, A to LEAB or B to LEBA

2.5

ns

t

W

Pulse Width, CLKAB or CLKBA, high or low

2.0

ns

t

W

Pulse Width, LEAB or LEBA high

2.0

ns

f

max

Maximum CLKAB or CLKBA Clock Frequency

250

MHz

AC Operating Requirements

can Test Operation, over recommended operating supply voltage and temperature ranges unless otherwise specified

Symbol

Parameter

All Options

Units

T

C

R

Ω to GND

Guaranteed Minimum

t

S

Setup Time, H or L, TMS to TCK

2.0

ns

t

H

Hold Time, H or L, TCK to TMS

1.0

ns

t

S

Setup Time, H or L, TDI to TCK

1.0

ns

t

H

Hold Time, H or L, TCK to TDI

2.0

ns

t

W

Pulse Width TCK High or Low

10

ns

t

W

Pulse Width TRST, Low

2.5

ns

f

max

Maximum TCK Clock Frequency

25

MHz

t

REC

Recovery Time, TRST to TCK

2.0

ns

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