EM488M1644VTG datasheet(7/18 Pages) EOREX

Part #	EM488M1644VTG

Description	Fully Synchronous to positive clock edge

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Manufacturer	EOREX [Eorex Corporation]

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(VDD, VDDQ =3.3V

0.3V, VSS=0V)

(VDD, VDDQ =3.3V

0.3V, VSS=0V)

* All voltages referenced to VSS.

eorex

AC Operating Test Conditions

EM488M1644VTG

AC Operating Test Characteristics

Note 5: tHZ defines the time at which the output achieve the open circuit condition and is not

referenced to output voltage levels.

Jan. 2014

www.eorex.com

7/18

Symbol

Parameter

-6

-7

Units

Min.

Max.

Min.

Max.

tCK

Clock Cycle Time

CL=3

6

-

7

-

ns

CL=2

7.5

-

10

-

tAC

Access Time form CLK

CL=3

-

5.4

-

5.4

ns

CL=2

-

5.4

-

6

tCH

CLK High Level Width

2.5

-

2.5

-

ns

tCL

CLK Low Level Width

2.5

-

2.5

-

ns

tCKH

Clock Input Hold Time

1

-

1

-

ns

tCKS

Clock Input Setup Time

1.5

-

1.5

-

ns

tOH

Data-out Hold Time

2.5

-

2.5

-

ns

tHZ

Data-out High Impedance Time

(Note

5)

3

6

3

7

ns

tLZ

Data-out Low Impedance Time

1

-

1

-

ns

tIH

Input Hold Time

1

-

1

-

ns

tIS

Input Setup Time

1.5

-

1.5

-

ns

TDS

Data-in Setup Time

1.5

-

1.5

-

ns

tDH

Data-in Hold Time

1

-

1

-

ns

Item

Conditions

Output Reference Level

1.4V/1.4V

Output Load

See diagram as below

Input Signal Level

2.4V/0.4V

Transition Time of Input Signals

1ns

Input Reference Level

1.4V

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