IDT7134SA55PB 데이터 시트보기 (PDF) - Integrated Device Technology
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IDT7134SA55PB Datasheet PDF : 9 Pages
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IDT7134SA/LA
HIGH-SPEED 4K x 8 DUAL-PORT STATIC RAM
MILITARY AND COMMERCIAL TEMPERATURE RANGES
AC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE(4)
7134X20(3)
7134X25
7134X35
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
—
15
—
15
—
20
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)
0
—
0
0
—
0
—
15
—
0
—
0
—
0
—
0
15
—
—
0
—
ns
—
ns
20
ns
—
ns
tPD
Chip Disable to Power Down Time(2)
—
20
—
25
—
35
ns
AC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE(4) (CONT'D)
Symbol
READ CYCLE
tRC
tAA
tACE
tAOE
tOH
tLZ
tHZ
tPU
tPD
Parameter
Read Cycle Time
Address Access Time
Chip Enable Access Time
Output Enable Access Time
Output Hold from Address Change
Output Low-Z Time(1, 2)
Output High-Z Time(1, 2)
Chip Enable to Power Up Time(2)
Chip Disable to Power Down Time(2)
7134X45
Min. Max.
7134X55
Min. Max.
45
—
55
—
—
45
—
55
—
45
—
55
—
25
—
30
0
—
0
—
5
—
5
—
—
20
—
25
0
—
0
—
—
45
—
50
NOTES:
1. Transition is measured ±500mV 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. (Commercial only) 0°C to +70°C temperature range only.
4. “X” in part number indicates power rating (SA or LA).
7134X70
Min. Max. Unit
70
—
ns
—
70
ns
—
70
ns
—
40
ns
0
—
ns
5
—
ns
—
30
ns
0
—
ns
—
50
ns
2720 tbl 09
TIMING WAVEFORM OF READ CYCLE NO. 1, EITHER SIDE(1, 2, 3)
tRC
ADDRESS
tAA
tOH
DATAOUT
PREVIOUS DATA VALID
tOH
DATA VALID
NOTES:
1. Timing depends on which signal is asserted last, OE or CE.
2. Timing depends on which signal is de-asserted first, OE or CE.
3. R/W = VIH.
2720 drw 08
6.04
5
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