參數(shù)資料
型號(hào): IDT7281L25TPI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: FIFO
英文描述: 512 X 9 OTHER FIFO, 25 ns, PDIP28
封裝: PLASTIC, DIP-28
文件頁數(shù): 9/14頁
文件大?。?/td> 143K
代理商: IDT7281L25TPI
4
COMMERCIAL,INDUSTRIALANDMILITARY
TEMPERATURERANGES
IDT7201L/7201LA/7202LA CMOS ASYNCHRONOUS FIFO
256 x 9, 512 x 9 and 1,024 x 9
Commercial
Com'l & Ind'l(2)
Com'l & Mil.
Com'l & Ind'l(2)
IDT7200L12
IDT7200L15
IDT7200L20
IDT7200L25
IDT7201LA12
IDT7201LA15
IDT7201LA20
IDT7201LA25
IDT7202LA12
IDT7202LA15
IDT7202LA20
IDT7202LA25
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Min.
Max.
Unit
tS
ShiftFrequency
50
40
33.3
28.5
MHz
tRC
Read Cycle Time
20
25
30
35
ns
tA
AccessTime
12
15
20
25
ns
tRR
ReadRecoveryTime
8
10
10
10
ns
tRPW
ReadPulseWidth(3)
12
15
20
25
ns
tRLZ
Read Pulse Low to Data Bus at Low Z(4)
3
3—
ns
tWLZ
Write Pulse High to Data Bus at Low Z(4,5)
5
5—
ns
tDV
Data Valid from Read Pulse High
5
5
5
5
ns
tRHZ
Read Pulse High to Data Bus at High Z(4)
12
15
15
18
ns
tWC
Write Cycle Time
20
25
30
35
ns
tWPW
WritePulseWidth(3)
12
15
20
25
ns
tWR
WriteRecoveryTime
8
10
10
10
ns
tDS
DataSet-upTime
9
11
12
15
ns
tDH
DataHoldTime
0
0
0
0
ns
tRSC
Reset Cycle Time
20
25
30
35
ns
tRS
ResetPulseWidth(3)
12
15
20
25
ns
tRSS
ResetSet-upTime(4)
12
15
20
25
ns
tRSR
ResetRecoveryTime
8
10
10
10
ns
tRTC
RetransmitCycleTime
20
25
30
35
ns
tRT
RetransmitPulseWidth(3)
12
15
20
25
ns
tRTS
RetransmitSet-upTime(4)
12
15
20
25
ns
tRTR
RetransmitRecoveryTime
8
10
10
10
ns
tEFL
Reset to Empty Flag Low
12
25
30
35
ns
tHFH,FFH
ResettoHalf-FullandFullFlagHigh
17
25
30
35
ns
tRTF
RetransmitLowtoFlagsValid
20
25
30
35
ns
tREF
Read Low to Empty Flag Low
12
15
20
25
ns
tRFF
Read High to Full Flag High
14
15
20
25
ns
tRPE
Read Pulse Width after
EFHigh
12
15
20
25
ns
tWEF
Write High to Empty Flag High
12
15
20
25
ns
tWFF
Write Low to Full Flag Low
14
15
20
25
ns
tWHF
Write Low to Half-Full Flag Low
17
25
30
35
ns
tRHF
Read High to Half-Full Flag High
17
25
30
35
ns
tWPF
WritePulseWidthafter
FFHigh
12
15
20
25
ns
tXOL
Read/Write to
XOLow
12
15
20
25
ns
tXOH
Read/Write to
XOHigh
12
15
20
25
ns
tXI
XI Pulse Width(3)
12
15
20
25
ns
tXIR
XI Recovery Time
8
10
10
10
ns
tXIS
XI Set-upTime
8
10
10
10
ns
NOTES:
1. Timings referenced as in AC Test Conditions.
2. Industrial temperature range product for 15ns and 25ns speed grades are available as a standard device.
3. Pulse widths less than minimum value are not allowed.
4. Values guaranteed by design, not currently tested.
5. Only applies to read data flow-through mode
AC ELECTRICAL CHARACTERISTICS(1)
(Commercial: VCC = 5V ± 10%, TA = 0
°C to +70°C; Industrial: VCC = 5V ± 10%, TA = –40°C to +85°C; Military: VCC = 5V ± 10%, TA = –55°C to +125°C)
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