7054L35PRFGI datasheet(6/11 Pages) IDT

6 / 11 page

6.42

IDT7054S/L

High-Speed 4K x 8 FourPort™ Static RAM

Industrial and Commercial Temperature Ranges

Timing Waveform of Read Cycle No. 2, Any Port(1, 2)

NOTES:

1. R/W = VIH for Read Cycles.

2. Addresses valid prior to or coincident with CE transition LOW.

AC Electrical Characteristics Over the

Operating Temperature and Supply Voltage(3)

NOTES:

1. Transition is measured 0mV from Low or High-impedance voltage with the Output Test Load (Figure 2).

2. This parameter is guaranteed by device characterization but is not production tested.

3. 'X' in part number indicates power rating (S or L).

7054X20

Com'l Only

7054X25

Com'l & Ind

7054X35

Com'l Only

Symbol

Parameter

Min.Max.Min.Max.Min.Max.

Unit

READ CYCLE

tRC

Read Cycle Time

____

tAA

Address Access Time

____

tACE

Chip Enable Access Time

____

tAOE

Output Enable Access Time

____

tOH

Output Hold from Address Change

____

tLZ

Output Low-Z Time(1,2)

____

tHZ

Output High-Z Time(1,2)

____

tPU

Chip Enable to Power Up Time(2)

____

tPD

Chip Disable to Power Down Time(2)

____

3241 tbl 09

3241 drw 06

tAOE

tLZ

tHZ

DATAOUT

tACE

VALID DATA

CURRENT

ICC

ISB

tPU

50%

tLZ

tPD

50%

tHZ

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