参数资料
型号: IDT7054L25G
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: SRAM
英文描述: HIGH-SPEED 4K x 8 FourPort STATIC RAM
中文描述: 4K X 8 FOUR-PORT SRAM, 25 ns, CPGA108
封装: CERAMIC, PGA-108
文件页数: 10/11页
文件大小: 99K
代理商: IDT7054L25G
6.42
IDT7054S/L
High-Speed 4K x 8 FourPort Static RAM
Military, Industrial and Commercial Temperature Ranges
8
AC Electrical Characteristics Over the
Operating Temperature and Supply Voltage(5)
NOTES:
1. Transition is measured 0mV 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. If
OE = VIL during a R/W controlled write cycle, the write pulse width must be the larger of tWP or (tWZ + tDW) to allow the I/O drivers to turn off data to be placed on
the bus for the required tDW. If
OE = VIH during an R/W controlled write cycle, this requirement does not apply and the write pulse can be as short as the specified
tWP. Specified for
OE = VIH (refer to “Timing Waveform of Write Cycle”, Note 8).
4. Port-to-port delay through RAM cells from writing port to reading port, refer to “Timing Waveform of Write with Port-to-Port Read”.
5. 'X' in part number indicates power rating.
7054X20
Com'l Only
7054X25
Com'l, Ind
& Military
7054X35
Com'l &
Military
Symbol
Parameter
Min.Max.Min.
Max.Min.Max.
Unit
WRITE CYCLE
tWC
Write Cycle Time
20
____
25
____
35
____
ns
tEW
Chip Enable to End-of-Write
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
(3)
15
____
20
____
30
____
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
____
15
ns
tDH
Data Hold Time
0
____
0
____
0
____
ns
tWZ
Write Enable to Output in High-Z(1,2)
____
12
____
15
____
15
ns
tOW
Output Active from End-of-Write(1,2)
0
____
0
____
0
____
ns
tWDD
Write Pulse to Data Delay
(4)
____
35
____
45
____
55
ns
tDDD
Write Data Valid to Read Data Delay(4)
____
30
____
35
____
45
ns
3241 tbl 10
相关PDF资料
PDF描述
IDT7054L25GB HIGH-SPEED 4K x 8 FourPort STATIC RAM
IDT7054L25GI HIGH-SPEED 4K x 8 FourPort STATIC RAM
IDT7054L25PRF HIGH-SPEED 4K x 8 FourPort STATIC RAM
IDT7054L25PRFB HIGH-SPEED 4K x 8 FourPort STATIC RAM
IDT7054L25PRFI HIGH-SPEED 4K x 8 FourPort STATIC RAM
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