參數(shù)資料
型號: IDT72T1855L4-4BBI
廠商: Integrated Device Technology, Inc.
英文描述: 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
中文描述: 2.5伏高速TeraSync先進(jìn)先出18-BIT/9-BIT配置
文件頁數(shù): 19/55頁
文件大?。?/td> 540K
代理商: IDT72T1855L4-4BBI
19
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72T1845/55/65/75/85/95/105/115/125 2.5V TeraSync 18-BIT/9-BIT FIFO
2Kx18/4Kx9, 4Kx18/
8Kx9, 8Kx18/16Kx9, 16Kx18/32Kx9, 32Kx18/64Kx9, 64Kx18/128Kx9, 128Kx18/256Kx9, 256Kx18/512Kx9, 512Kx18/1Mx9
Figure 3. Programmable Flag Offset Programming Sequence
WCLK
RCLK
X
X
X
X
X
X
X
X
LD
0
0
X
1
1
1
0
WEN
0
1
1
0
X
1
1
REN
1
0
1
X
0
1
1
X
SEN
1
1
1
X
X
X
0
No Operation
Write Memory
Read Memory
No Operation
Parallel write to registers:
x18 input
(72T18105/115/125)
Serial shift into registers:
24 bits for the IDT72T1845
26 bits for the IDT72T1855
28 bits for the IDT72T1865
30 bits for the IDT72T1875
32 bits for the IDT72T1885
34 bits for the IDT72T1895
36 bits for the IDT72T18105
38 bits for the IDT72T18115
40 bits for the IDT72T18125
1 bit for each rising SCLK edge
Starting with Empty Offset (LSB)
Ending with Full Offset (MSB)
I
DT72T1845,
IDT72T1865,
IDT72T1885,
IDT72T18105,
IDT72T18125
IDT72T1855
IDT72T1875
IDT72T1895
IDT72T18115
Serial shift into registers:
22 bits for the IDT72T1845
24 bits for the IDT72T1855
26 bits for the IDT72T1865
28 bits for the IDT72T1875
30 bits for the IDT72T1885
32 bits for the IDT72T1895
34 bits for the IDT72T18105
36 bits for the IDT72T18115
38 bits for the IDT72T18125
1 bit for each rising SCLK edge
Starting with Empty Offset (LSB)
Ending with Full Offset (MSB)
x9 to x9 Mode
All Other Modes
5909 drw06
x18 input
Empty Offset
Full Offset
Empty Offset (LSB)
Empty Offset (MSB)
Full Offset (LSB)
Full Offset (MSB)
x9 input
Empty Offset (LSB)
Empty Offset (MSB)
Full Offset (LSB)
Full Offset (MSB)
x9 input
(72T1895/105/115/125)
Empty Offset (LSB)
Empty Offset
Empty Offset (MSB)
Full Offset (LSB)
Full Offset
Full Offset (MSB)
Parallel read from registers:
x18 input
(72T18105/115/125)
x18 input
Empty Offset
Full Offset
Empty Offset (LSB)
Empty Offset (MSB)
Full Offset (LSB)
Full Offset (MSB)
x9 input
Empty Offset (LSB)
Empty Offset (MSB)
Full Offset (LSB)
Full Offset (MSB)
x9 input
(72T1895/105/115/125)
Empty Offset (LSB)
Empty Offset
Empty Offset (MSB)
Full Offset (LSB)
Full Offset
Full Offset (MSB)
NOTES:
1. The programmng method can only be selected at Master Reset.
2. Parallel reading of the offset registers is always permtted regardless of which programmng method has been selected.
3. The programmng sequence applies to both IDT Standard and FWFT modes.
相關(guān)PDF資料
PDF描述
IDT72T1865L4-4BBI 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1875L4-4BBI 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1885L4-4BBI 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T1895L4-4BBI 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
IDT72T18105L4-4BBI 2.5 VOLT HIGH-SPEED TeraSync FIFO 18-BIT/9-BIT CONFIGURATIONS
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