EM488M1644VTF datasheet(7/18 Pages) EOREX

7 / 18 page

eorex

EM488M1644VTF

Jan. 2011

www.eorex.com

AC Operating Test Conditions

, V

(VDD

DDQ =3.3V±0.3V, VSS=0V)

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

AC Operating Test Characteristics

, V

(VDD

DDQ =3.3V±0.3V, VSS=0V)

-6

-7

Symbol

Parameter

Min.

Max.

Min.

Units

Max.

CL=3

Clock Cycle Time

CL=2

7.5

CL=3

5.4

Access Time form CLK

CL=2

5.4

CLK High Level Width

2.5

CLK Low Level Width

2.5

Clock Input Hold Time

CKH

Clock Input Setup Time

1.5

CKS

Data-out Hold Time

2.5

Data-out High Impedance Time

(Note

Data-out Low Impedance Time

Input Hold Time

Input Setup Time

1.5

Data-in Setup Time

1.5

Data-in Hold Time

* All voltages referenced to VSS.

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

referenced to output voltage levels.

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