IDT7052L Просмотр технического описания (PDF) - Integrated Device Technology
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IDT7052L Datasheet PDF : 11 Pages
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IDT7052S/L
High-Speed 2K x 8 FourPort™ Static RAM
Military, Industrial and Commercial Temperature Ranges
AC Electrical Characteristics Over the
Operating Temperature and Supply Voltage(3,4)
7052X20
Com'l Only
7052X25
Com'l &
Military
7052X35
Com'l &
Military
Symbol
Parameter
Min. Max. Min. Max. Min. Max. Unit
READ CYCLE
tRC
Read Cycle Time
20
____
25
____
35
____
ns
tAA
Address Access Time
____
20
____
25
____
35
ns
tACE
Chip Enable Access Time
____
20
____
25
____
35
ns
tAOE
Output Enable Access Time
____
10
____
15
____
25
ns
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)
0
____
0
____
0
____
ns
5
____
5
____
5
____
ns
____
12
____
15
. ____
15
ns
0
____
0
____
0
____
ns
____
20
____
25
____
35
ns
NOTES:
1. Transition is measured ±200mV 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)
4. Industrial temperature: for specific speeds, packages and powers contact your sales office.
2674 tbl 09
Timing Waveform of Read Cycle No. 1, Any Port(1)
tRC
ADDRESS
tAA
tOH
DATAOUT
PREVIOUS DATA VALID
NOTES:
1. R/W = VIH, OE = VIL and CE = VIL.
tOH
DATA VALID
2674 drw 07
Timing Waveform of Read Cycle No. 2, Any Port(1,2)
tACE
CE
tAOE
OE
DATAOUT
tPU
ICC
CURRENT
ISB
50%
NOTES:
1. R/W = VIH for Read Cycles.
2. Addresses valid prior to or coincident with CE transition LOW.
tLZ
tLZ
6.742
tHZ
tHZ
VALID DATA
tPD
50%
2674 drw 08
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