MCM69L820AZP8.5R 데이터 시트보기 (PDF) - Motorola => Freescale

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MCM69L820AZP8.5R

4M Late Write 2.5 V I/O

Motorola => Freescale 

AC OPERATING CONDITIONS AND CHARACTERISTICS

(0°C ≤ TA ≤ 70°C, Unless Otherwise Noted)

Input Pulse Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 to 2.5 V

Input Rise/Fall Time . . . . . . . . . . . . . . . . . . . . . . 1 V/ns (20% to 80%)

Input Timing Measurement Reference Level . . . . . . . . . . . . . . 1.25 V

Output Timing Reference Level . . . . . . . . . . . . . . . . . . . . . . . . . 1.25 V

Clock Input Timing Reference Level . . . . . . Differential Cross–Point

Clock Input Pulse Level . . . . . . . . . . . . . . . . . . . . . . . . . 1.8 V to 2.1 V

READ/WRITE CYCLE TIMING (See Note 1)

MCM69L738A–8.5 MCM69L738A–9 MCM69L738A–9.5

MCM69L820A–8.5 MCM69L820A–9 MCM69L820A–9.5

Parameter

Symbol Min

Max

Min

Max

Min

Max Unit Notes

Cycle Time

tKHKH

8

—

8

—

9

—

ns

Clock High Pulse Width

tKHKL

3.2

—

3.2

—

3.6

—

ns

Clock Low Pulse Width

tKLKH

3.2

—

3.2

—

3.6

—

ns

Clock High to Output Valid

tKHQV

—

8.5

—

9

—

9.5

ns

Clock Low to Output Valid

tKLQV

—

3.5

—

3.5

—

4

ns

Clock Low to Output Hold

tKLQX

0.5

—

0.5

—

0.5

—

ns

2

Clock Low to Output Low–Z

tKLQX1

1

—

1

—

1

—

ns 2, 3

Clock High to Output High–Z

tKHQZ

1

3.5

1

3.5

1

4

ns 2, 3

Output Enable Low to Output Low–Z

tGLQX

0.5

—

0.5

—

0.5

—

ns

Output Enable Low to Output Valid

tGLQV

—

3.5

—

3.5

—

4

ns

Output Enable to Output Hold

tGHQX 0.5

—

0.5

—

0.5

—

ns

Output Enable High to Output High–Z

tGHQZ

—

3.5

—

3.5

—

4

ns 2, 3

Setup Times:

Address tAVKH

0.5

—

0.5

—

0.5

—

ns

Data In tDVKH

Chip Select tSVKH

Write Enable tWVKH

Hold Times:

Address tKHAX

1

—

1

—

1

—

ns

Data In tKHDX

Chip Select tKHSX

Write Enable tKHWX

NOTES:

1. In no case may control input signals (e.g., SS) be operated with pulse widths less than the minimum clock input pulse width specifications

(e.g., tKHKL) or at frequencies that exceed the applied K clock frequency.

2. This parameter is sampled and not 100% tested.

3. Measured at ± 200 mV from steady state.

MOTOROLA FAST SRAM

MCM69L738A•MCM69L820A

7

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