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IDT7142LA35CB Datasheet(PDF) 5 Page - Integrated Device Technology

Part # IDT7142LA35CB
Description  HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT7142LA35CB Datasheet(HTML) 5 Page - Integrated Device Technology

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6.02
5
IDT7132SA/LA AND IDT7142SA/LA
HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM
MILITARY AND COMMERCIAL TEMPERATURE RANGES
AC ELECTRICAL CHARACTERISTICS OVER THE
OPERATING TEMPERATURE AND SUPPLY VOLTAGE RANGE(3)
7132X20
(2)
7132X25
(5)
7132X35
7132X55
7132X100
7142X25
(5)
7142X35
7142X55
7142X100
Symbol
Parameter
Min. Max.
Min. Max. Min.
Max. Min. Max. Min.
Max. Unit
Read Cycle
tRC
Read Cycle Time
20
25
35
55
100
ns
tAA
Address Access Time
20
25
35
55
100
ns
tACE
Chip Enable Access Time
20
25
35
55
100
ns
tAOE
Output Enable Access Time
11
12
20
25
40
ns
tOH
Output Hold From Address Change
3
3
3
3
10
ns
tLZ
Output Low-Z Time
(1,4)
0—
0
0
5
5
ns
tHZ
Output High-Z Time
(1,4)
10
10
15
25
40
ns
tPU
Chip Enable to Power Up Time
(4)
0—
0
0
0
0
ns
tPD
Chip Disable to Power Down Time(4)
20
25
35
50
50
ns
NOTES:
2689 tbl 08
1. Transition is measured
±500mV from Low or High-impedance voltage Output Test Load (Figure 2).
2. Com'l Only, 0
°C to +70°C temperature range. PLCC package only.
3. “X” in part numbers indicates power rating (SA or LA).
4. This parameter is guaranteed by device characterization, but is not production tested.
5. Not available in DIP packages.
TIMING WAVEFORM OF READ CYCLE NO. 1, EITHER SIDE
(1)
NOTES:
1. R/
W = VIH, CE = VIL, and is OE = VIL. Address is valid prior to the coincidental with CE transition Low.
2. tBDD delay is required only in the case where the opposite port is completing a write operation to the same address location. For simultaneous read
operations,
BUSY has no relationship to valid output data.
3. Start of valid data depends on which timing becomes effective last tAOE, tACE, tAA, and tBDD.
ADDRESS
DATAOUT
tRC
tOH
PREVIOUS DATA VALID
tAA
tOH
DATA VALID
2692 drw 07
tBDDH (2,3)
BUSYOUT


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