HM62W16255HI View Datasheet(PDF) - Hitachi -> Renesas Electronics

Part Name

Description

View to exact match

HM62W16255HI

4M High Speed SRAM (256-kword × 16-bit)

Hitachi -> Renesas Electronics 

HM62W16255HI Series

AC Characteristics (Ta = –40 to +85°C, VCC = 3.3 V ± 0.3 V, unless otherwise noted.)

Test Conditions

• Input pulse levels: 3.0 V/0.0 V

• Input rise and fall time: 3 ns

• Input and output timing reference levels: 1.5 V

• Output load: See figures (Including scope and jig)

Dout Zo=50 Ω

1.5 V

RL=50 Ω

Dout

353 Ω

3.3 V

319Ω

5 pF

Output load (A)

Read Cycle

Parameter

Read cycle time

Address access time

Chip select access time

Output enable to output valid

Byte select to output valid

Output hold from address change

Chip select to output in low-Z

Output enable to output in low-Z

Byte select to output in low-Z

Chip deselect to output in high-Z

Output disable to output in high-Z

Byte deselect to output in high-Z

Output load (B)

(for tCLZ, tOLZ, tLBLZ, tUBLZ, tCHZ, tOHZ,

tLBHZ, tUBHZ, tWHZ, and tOW)

Symbol

t RC

t AA

t ACS

t OE

tLB, tUB

t OH

t CLZ

t OLZ

t , LBLZ tUBLZ

t CHZ

t OHZ

t , LBHZ tUBHZ

HM62W16255HI

-15

Min

Max

15

—

—

15

—

15

—

7

—

7

3

—

3

—

0

—

0

—

—

7

—

7

—

7

Unit

Notes

ns

ns

ns

ns

ns

ns

ns

1

ns

1

ns

1

ns

1

ns

1

ns

1

6

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