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71342SA45JG Datasheet(PDF) 8 Page - Integrated Device Technology

Part # 71342SA45JG
Description  HIGH SPEED 4K X 8 DUAL-PORT STATIC RAM
Download  14 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

71342SA45JG Datasheet(HTML) 8 Page - Integrated Device Technology

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6.42
IDT71342SA/LA
High-Speed 4K x 8 Dual-Port Static RAM with Semaphore
Industrial and Commercial Temperature Ranges
8
AC Electrical Characteristics Over the
Operating Temperature Supply Voltage(5)
NOTES:
1. Transition is measured 0mV from Low or High-impedance voltage with Output Test Load (Figure 2).
2. This parameter is guaranteed by device characterization but is not production tested.
3. To access SRAM, CE = VIL and SEM = VIH. To access semaphore, CE = VIH and SEM = VIL. Either condition must be valid for the entire tEW time.
4. The specification for tDH must be met by the device supplying write data to the SRAM under all operating conditions. Although tDH and tOW values will vary over voltage and
temperature, the actual tDH will always be smaller than the actual tOW.
5. 'X' in part number indicates power rating (SA or LA).
Symbol
Parameter
71342X20
Com'l Only
71342X25
Com'l & Ind
71342X35
Com'l Only
Unit
Min.
Max.
Min.
Max.
Min.
Max.
WRITE CYCLE
tWC
Write Cycle Time
20
____
25
____
35
____
ns
tEW
Chip Enable to End-of-Write(3)
15
____
20
____
30
____
ns
tAW
Address Valid to End-of-Write
15
____
20
____
30
____
ns
tAS
Address Set-up Time
0
____
0
____
0
____
ns
tWP
Write Pulse Width
15
____
20
____
25
____
ns
tWR
Write Recovery Time
0
____
0
____
0
____
ns
tDW
Data Valid to End-of-Write
15
____
15
____
20
____
ns
tHZ
Output High-Z Time(1,2)
____
15
____
15
____
20
ns
tDH
Data Hold Time(4)
0
____
0
____
3
____
ns
tWZ
Write Enable to Output in High-Z(1,2)
____
15
____
15
____
20
ns
tOW
Output Active from End-of-Write(1,2,4)
3
____
3
____
3
____
ns
tSWR
SEM Flag Write to Read Time
10
____
10
____
10
____
ns
tSPS
SEM Flag Contention Window
10
____
10
____
10
____
ns
2721 tbl 10a
Symbol
Parameter
71342X45
Com'l Only
71342X55
Com'l Only
71342X70
Com'l Only
Unit
Min.
Max.
Min.
Max.
Min.
Max.
WRITE CYCLE
tWC
Write Cycle Time
45
____
55
____
70
____
ns
tEW
Chip Enable to End-of-Write(3)
40
____
50
____
60
____
ns
tAW
Address Valid to End-of-Write
40
____
50
____
60
____
ns
tAS
Address Set-up Time
0
____
0
____
0
____
ns
tWP
Write Pulse Width
40
____
50
____
60
____
ns
tWR
Write Recovery Time
0
____
0
____
0
____
ns
tDW
Data Valid to End-of-Write
20
____
25
____
30
____
ns
tHZ
Output High-Z Time(1,2)
____
20
____
25
____
30
ns
tDH
Data Hold Time(4)
3
____
3
____
3
____
ns
tWZ
Write Enable to Output in High-Z(1,2)
____
20
____
25
____
30
ns
tOW
Output Active from End-of-Write(1,2,4)
3
____
3
____
3
____
ns
tSWR
SEM Flag Write to Read Time
10
____
10
____
10
____
ns
tSPS
SEM Flag Contention Window
10
____
10
____
10
____
ns
2721 tbl 10b


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