R1LV0408D Series

AC Characteristics

(Ta = 0 to

+70°C / −40 to +85°C, V

Test Conditions

• Input pulse levels: V

• Input rise and fall time: 5 ns

• Input and output timing reference levels: 1.5 V

• Output load: 1 TTL Gate + C

1 TTL Gate + C

(Including scope and jig)

Note:

Temperature range depends on R/I-version. Please see table on page 2.

Read Cycle

R1LV0408D

-5S%

-7L%

Parameter

Symbol

Min

Max

Min

Max

Unit

Notes

Read cycle time

t

RC

55



70



ns

Address access time

t

AA



55



70

ns

Chip select access time

t

CO



55



70

ns

Output enable to output valid

t

OE



30



35

ns

Chip select to output in low-Z

t

LZ

10



10



ns

2

Output enable to output in low-Z

t

OLZ

5



5



ns

2

Chip deselect to output in high-Z

t

HZ

0

20

0

25

ns

1, 2

Output disable to output in high-Z

t

OHZ

0

20

0

25

ns

1, 2

Output hold from address change

t

OH

10



10



ns

Rev.1.00, May.24.2007, page 7 of 12