M67204H Просмотр технического описания (PDF) - Atmel Corporation

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M67204H

Rad. Tolerant High Speed 4 Kb x 9 Parallel FIFO

Atmel Corporation 

AC Parameters

AC Test Conditions

Input pulse levels: Gnd to 3.0V

Input rise/Fall times: 5 ns

Input timing reference levels: 1.5V

Output reference levels: 1.5V

Output load: See Figure 7

Figure 7. Output Load

M67204H

Table 4. AC Test Conditions

Symbol (1)

Read Cycle

TRLRL

TRLQV

TRHRL

TRLRH

TRLQX

TWHQX

TRHQX

TRHQZ

Write Cycle

TWLWL

TWLWH

TWHWL

TDVWH

TWHDX

Reset Cycle

TRSLWL

TRSLRSH

TWHRSH

Symbol (2)

tRC

tA

tRR

tRPW

tRLZ

tWLZ

tDV

tRHZ

tWC

tWPW

tWR

tDS

tDH

tRSC

tRS

tRSS

Parameter (3) (4)

Read cycle time

Access time

Read recovery time

Read pulse width (5)

Read low to data low Z (6)

Write high to data low Z (6) (7)

Data valid from read high

Read high to data high Z (6)

Write cycle time

Write pulse width(5)

Write recovery time

Data set-up time

Data hold time

Reset cycle time

Reset pulse width (5)

Reset set-up time

4141J–AERO–04/07

M67204H- 15

M67204H- 30

Min.

Max.

Min.

Max.

Unit

25

-

40

-

ns

15

30

ns

10

-

10

-

ns

15

-

30

-

ns

0

-

5

-

ns

3

-

5

-

ns

5

-

5

-

ns

-

15

-

20

ns

25

-

40

-

ns

15

-

30

-

ns

10

-

10

-

ns

9

-

18

-

ns

0

-

0

-

ns

25

-

40

-

ns

15

-

30

-

ns

20

-

30

-

ns

11

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