PARAMETER

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNIT

Input leakage

current

–1.0



1.0

µA

Output leakage

current

–1.0



1.0

µA

Operating supply

current



25

45.0

mA



10.0

Standby current

CE



0.6

40.0

µA



3.0

mA

Output voltage



0.4

V

2.4



NOTE:

AC ELECTRICAL CHARACTERISTICS

AC Test Conditions

PARAMETER

MODE

NOTE

Input pulse level

0.6 V to 2.4 V



Input rise and fall time

10 ns



Input and output timing Ref. level

1.5 V



Output load

1

NOTE:

1.

Including scope and jig capacitance.

PARAMETER

SYMBOL

MIN.

MAX.

UNIT

NOTE

Read cycle time

70



ns



Address access time



70

ns



CE access time



70

ns



Output enable to output valid



35

ns



Output hold from address change

10



ns



CE Low to output active

10



ns

1

OE Low to output active

5



ns

1

CE High to output in High impedance

030

ns

1

OE High to output in High impedance

030

ns

1

NOTES:

1.

Active output to high-impedance and high-impedance to output active tests specified for a

±200 mV

transition from steady state levels into the test load.

LH52256C/CH

CMOS 256K (32K

× 8) Static RAM

4