AS7C164-20 Просмотр технического описания (PDF) - Alliance Semiconductor

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AS7C164-20

5V 8Kx8 CMOS SRAM

Alliance Semiconductor 

$6&

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-12

Parameter

Symbol Min Max

Read cycle time

Address access time

Chip enable (CE1) access time

Chip enable (CE2) access time

Output enable (OE) access time

Output hold from address change

CE1 Low to output in low Z

CE2 High to output in low Z

CE1 High to output in high Z

CE2 Low to output in high Z

OE Low to output in low Z

OE High to output in high Z

Power up time

Power down time

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tRC

tAA

tACE1

tACE2

tOE

tOH

tCLZ1

tCLZ2

tCHZ1

tCHZ2

tOLZ

tOHZ

tPU

tPD

12 –

– 12

– 12

– 12

–

6

3

–

3

–

3

–

–

3

–

3

0

–

–

3

0

–

– 12

Rising input

Falling input

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-15

Min Max

15 –

– 15

– 15

– 15

–

7

3

–

3

–

3

–

–

4

–

4

0

–

–

4

0

–

– 15

-20

Min Max

20 –

– 20

– 20

– 20

–

8

3

–

3

–

3

–

–

5

–

5

0

–

–

5

0

–

– 20

Undefined/don’t care

tRC

Address

DOUT

tAA

tOH

Data valid

Unit Notes

ns

ns 3

ns 3, 12

ns 3, 12

ns

ns 5

ns 4, 5, 12

ns 4, 5, 12

ns 4, 5, 12

ns 4, 5, 12

ns 4, 5

ns 4, 5

ns 4, 5, 12

ns 4, 5, 12

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tRC1

CE1

CE2

tOE

OE

DOUT

tOLZ

tACE1, tACE2

Data valid

tOHZ

tCHZ1, tCHZ2

Supply

current

tCLZ1, tCLZ2

tPU

50%

tPD

ICC

50%

ISB

 Y

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