參數(shù)資料
型號(hào): 71V35781S183PF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: SRAM
英文描述: 256K X 18 CACHE SRAM, 3.3 ns, PQFP100
封裝: 14 X 20 MM, PLASTIC, TQFP-100
文件頁數(shù): 4/22頁
文件大?。?/td> 632K
代理商: 71V35781S183PF
6.42
12
IDT71V35761, IDT71V35781, 128K x 36, 256K x 18, 3.3V Synchronous SRAMs with
3.3V I/O, Pipelined Outputs, Burst Counter, Single Cycle Deselect
Commercial and Industrial Temperature Ranges
200MHz(5)
183MHz
166MHz
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Max.
Unit
tCYC
Clock Cycle Time
5
5.5
6
ns
tCH(1)
Clock High Pulse Width
2
2.2
2.4
ns
tCL(1)
Clock Low Pulse Width
2
2.2
2.4
ns
Output Parameters
tCD
Clock High to Valid Data
3.1
3.3
3.5
ns
tCDC
Clock High to Data Change
1.0
1.0
1.0
ns
tCLZ(2)
Clock High to Output Active
0
0
0
ns
tCHZ(2)
Clock High to Data High-Z
1.5
3.1
1.5
3.3
1.5
3.5
ns
tOE
Output Enable Access Time
3.1
3.3
3.5
ns
tOLZ(2)
Output Enable Low to Output Active
0
0
0
ns
tOHZ(2)
Output Enable High to Output High-Z
3.1
3.3
3.5
ns
Set Up Times
tSA
Address Setup Time
1.2
1.5
1.5
ns
tSS
Address Status Setup Time
1.2
1.5
1.5
ns
tSD
Data In Setup Time
1.2
1.5
1.5
ns
tSW
Write Setup Time
1.2
1.5
1.5
ns
tSAV
Address Advance Setup Time
1.2
1.5
1.5
ns
tSC
Chip Enable/Select Setup Time
1.2
1.5
1.5
ns
Hold Times
tHA
Address Hold Time
0.4—
0.5—
ns
tHS
Address Status Hold Time
0.4
0.5
0.5
ns
tHD
Data In Hold Time
0.4—
0.5—
ns
tHW
Write Hold Time
0.4—
0.5—
ns
tHAV
Address Advance Hold Time
0.4
0.5
0.5
ns
tHC
Chip Enable/Select Hold Time
0.4—
0.5—
ns
Sleep Mode and Configuration Parameters
tZZPW
ZZ Pulse Width
100
100
100
ns
tZZR(3)
ZZ Recovery Time
100
100
100
ns
tCFG(4)
Configuration Set-up Time
20
22
24
ns
5301tbl 16
AC Electrical Characteristics
(VDD = 3.3V ±5%, Commercial and Industrial Temperature Ranges)
NOTES:
1. Measured as HIGH above VIH and LOW below VIL.
2. Transition is measured ±200mV from steady-state.
3. Device must be deselected when powered-up from sleep mode.
4. tCFG is the minimum time required to configure the device based on the
LBO input. LBO is a static input and must not change during normal operation.
5. Commercial temperature range only.
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