UT61L256JC-10 데이터 시트보기 (PDF) - Utron Technology Inc

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UT61L256JC-10

32K X 8 BIT HIGH SPEED LOW VCC CMOS SRAM

Utron Technology Inc 



Rev. 1.3

UTRON

UT61L256

32K X 8 BIT HIGH SPEED LOW VCC CMOS SRAM

CAPACITANCE (TA=25℃, f=1.0MHz)

PARAMETER

SYMBOL

MIN.

MAX

Input Capacitance

CIN

-

8

Input/Output Capacitance

CI/O

-

10

Note : These parameters are guaranteed by device characterization, but not production tested.

AC TEST CONDITIONS

UNIT

pF

pF

Input Pulse Levels

Input Rise and Fall Times

Input and Output Timing Reference Levels

Output Load

0V to 3.0V

3ns

1.5V

CL = 30pF, IOH/IOL = -4mA/8mA

AC ELECTRICAL CHARACTERISTICS (VCC = 3.1V~3.6V, TA = 0℃ to 70℃)

(1) READ CYCLE

PARAMETER

SYMBOL UT61L256 UT61L256 UT61L256 UT61L256 UNIT

-8

-10

-12

-15

MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.

Read Cycle Time

tRC

8 - 10 - 12 - 15 - ns

Address Access Time

tAA

- 8 - 10 - 12 - 15 ns

Chip Enable Access Time

tACE

- 8 - 10 - 12 - 15 ns

Output Enable Access Time

tOE

- 3.2 - 5 - 6 - 7 ns

Chip Enable to Output in Low Z tCLZ*

1 - 2 - 3 - 4 - ns

Output Enable to Output in Low Z tOLZ*

0 - 0 - 0 - 0 - ns

Chip Disable to Output in High Z tCHZ*

- 4 - 5 - 6 - 7 ns

Output Disable to Output in High Z tOHZ*

- 4 - 5 - 6 - 7 ns

Output Hold from Address Change tOH

1 - 1 - 3 - 3 - ns

(2) WRITE CYCLE

PARAMETER

SYMBOL UT61L256 UT61L256 UT61L256 UT61L256 UNIT

-8

-10

-12

-15

MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.

Write Cycle Time

tWC

8 - 10 - 12 - 15 - ns

Address Valid to End of Write

tAW

6 - 8 - 12 - 15 - ns

Chip Enable to End of Write

tCW

6 - 8 - 12 - 15 - ns

Address Set-up Time

tAS

0 - 0 - 0 - 0 - ns

Write Pulse Width

tWP

5 - 8 - 9 - 10 - ns

Write Recovery Time

tWR

0 - 0 - 0 - 0 - ns

Data to Write Time Overlap

tDW

3.5 - 6 - 7 - 8 - ns

Data Hold from End of Write Time tDH

0 - 0 - 0 - 0 - ns

Output Active from End of Write

Write to Output in High Z

tOW*

tWHZ*

1 - 2 - 3 - 4 - ns

- 3.5 - 6 - 7 - 8 ns

*These parameters are guaranteed by device characterization, but not production tested.

UTRON TECHNOLOGY INC.

1F, No. 11, R&D Rd. II, Science-Based Industrial Park, Hsinchu, Taiwan, R. O. C.

TEL: 886-3-5777882 FAX: 886-3-5777919

3

P80023

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