X68C64

8

A.C. CONDITIONS OF TEST

Input Pulse Levels

0V to 3V

Input Rise and

Fall Times

10ns

Input and Output

Timing Levels

1.5V

3868 PGM T08.1

Note:

(3) This parameter is periodically sampled and not 100% tested.

TEST CIRCUIT

E Controlled Read Cycle

E Controlled Read Cycle

Symbol

Parameter

Min.

Max.

Units

Address Strobe Pulse Width

80

ns

Address Setup Time

20

ns

Address Hold Time

30

ns

Data Access Time

120

ns

Data Hold Time

0

ns

CE Setup Time

7

ns

E Pulse Width

150

ns

Enable Setup Time

30

ns

E Hold Time

20

ns

R/

W Setup Time

20

ns

E LOW to High Z Output

50

ns

E HIGH to Low Z Output

0

ns

3868 PGM T09.1

A.C. CHARACTERISTICS (Over the recommended operating conditions unless otherwise specified.)

3868 FHD F04.2

5V

1.92K

Ω

100pF

OUTPUT

1.37K

Ω

AS

A/D0–A/D7

A8–A12

R/W

AIN

DOUT

PWASH

CE

tCSL

tASL

tAHL

A8–A12

tES

tACC

tDHR

PWEH

tRWS

tEH

tEH

tHZ

tEH

E

3868 FHD F05.1