参数资料
型号: IDT72V2113L15PF
厂商: IDT, Integrated Device Technology Inc
文件页数: 27/46页
文件大小: 0K
描述: IC FIFO SUPERSYNCII 15NS 80-TQFP
标准包装: 45
系列: 72V
功能: 同步
存储容量: 4.7Mb(262k x 18)
访问时间: 15ns
电源电压: 3.15 V ~ 3.45 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 80-LQFP
供应商设备封装: 80-TQFP(14x14)
包装: 托盘
其它名称: 72V2113L15PF
33
IDT72V263/273/283/293/103/113 3.3V HIGH DENSITY SUPERSYNC IITM NARROW BUS FIFO
8K x 18, 16K x 9/18, 32K x 9/18, 64K x 9/18, 128K x 9/18, 256K x 9/18, 512K x9
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72V2103/72V2113 3.3V HIGH DENSITY SUPERSYNC IITM NARROW BUS FIFO
131,072 x 18/262,144 x 9, 262,144 x 18/524,288 x 9
JUNE 1, 2010
NOTES:
1. m =
PAF offset .
2. D = maximum FIFO depth.
In IDT Standard mode: if x18 Input or x18 Output bus Width is selected, D = 131,072 for the IDT72V2103 and 262,144 for the IDT72V2113. If both x9 Input and x9 Output bus Widths
are selected, D = 262,144 for the IDT72V2103 and 524,288 for the IDT72V2113.
In FWFT mode: if x18 Input or x18 Output bus Width is selected, D = 131,073 for the IDT72V2103 and 262,145 for the IDT72V2113. If both x9 Input and x9 Output bus Widths
are selected, D = 262,145 for the IDT72V2103 and 524,289 for the IDT72V2113.
3. tSKEW2 is the minimum time between a rising RCLK edge and a rising WCLK edge to guarantee that
PAF will go HIGH (after one WCLK cycle plus tPAFS). If the time between the
rising edge of RCLK and the rising edge of WCLK is less than tSKEW2, then the
PAF deassertion time may be delayed one extra WCLK cycle.
4.
PAF is asserted and updated on the rising edge of WCLK only.
5. Select this mode by setting PFM HIGH during Master Reset.
Figure 18. Synchronous Programmable Almost-Full Flag Timing (IDT Standard and FWFT Modes)
WCLK
tENH
WEN
PAF
RCLK
tPAFS
REN
6119 drw21
tENS
tENH
tENS
tPAFS
D - m words in FIFO
(2)
tSKEW2(3)
1
2
12
D-(m+1) words
in FIFO
(2)
D-(m+1) words in FIFO
(2)
tCLKL
tCLKH
Figure 17. Parallel Read of Programmable Flag Registers (IDT Standard and FWFT Modes)
Figure 16. Parallel Loading of Programmable Flag Registers (IDT Standard and FWFT Modes)
WCLK
LD
WEN
D0 - D16
6119 drw19
tLDS
tENS
PAE OFFSET (LSB)
tDS
tDH
tLDH
tENH
tCLK
tCLKH
tCLKL
PAE OFFSET (MSB)
PAF OFFSET (LSB)
PAF OFFSET (MSB)
tDH
tDS
tLDH
tENH
RCLK
LD
REN
Q0 - Q16
tLDH
tLDS
tENS
DATA IN OUTPUT
REGISTER
PAE OFFSET
(LSB)
PAE OFFSET
(MSB)
tENH
6119 drw20
tCLK
tA
tCLKH
tCLKL
PAF OFFSET
(LSB)
PAF OFFSET
(MSB)
tA
tLDH
tENH
tA
NOTE:
1. This diagram is based on programming the IDT72V2103/72V2113 x18 bus width. Add one extra cycle to both the
PAE offset and PAF offset for x9 bus width.
NOTES:
1.
OE = LOW.
2. This diagram is based on programming the IDT72V2103/72V2113 x18 bus width. Add one extra cycle to both the
PAE offset and PAF offset for x9 bus width.
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