HM64YLB36514 Series

Rev.0.10, May.15.2003, page 8 of 22

Note:

The following DC and AC specifications shown in the tables, this device is tested under the

minimum transverse air flow exceeding 500 linear feet per minute.

°C)

Parameter

Symbol

Min

Typ

Max

Unit

Notes

Power supply voltage: core

V

DD

2.38

2.50

2.63

V

Power supply voltage: I/O

V

DDQ

1.40

1.50

1.60

V

Input reference voltage: I/O

V

REF

0.70

0.75

0.80

V

1

Input high voltage

V

IH

V



V

V

4

Input low voltage

V

IL

−0.50



V

V

4

Clock differential voltage

V

DIF

0.10



V

V

2, 3

Clock common mode voltage

V

CM

0.90



1.30

V

3

Notes: 1. Peak to peak AC component superimposed on V

2. Minimum differential input voltage required for differential input clock operation.

3. See figure below.

4. V

Differential Voltage / Common Mode Voltage