72T1875L5BBI Integrated Device Technology (Idt), 72T1875L5BBI Datasheet - Page 47

• Manufacturer Part Number: 72T1875L5BBI
• Description: FIFO Mem Async/Sync Dual Depth/Width Uni-Dir 16K x 18/32K x 9 144-Pin BGA
• Manufacturer: Integrated Device Technology (Idt)

Specifications of 72T1875L5BBI

• Package: 144BGA
• Configuration: Dual
• Bus Directional: Uni-Directional
• Density: 288 Kb
• Organization: 16Kx18|32Kx9
• Data Bus Width: 9/18 Bit
• Timing Type: Asynchronous|Synchronous
• Expansion Type: Depth|Width
• Typical Operating Supply Voltage: 2.5 V
• Operating Temperature: -40 to 85 °C

NOTES:
1. In IDT Standard mode: D = maximum FIFO depth. If x18 Input or x18 Output bus Width is selected, D = 2,048 for the IDT72T1845, 4,096 for the IDT72T1855, 8,192 for the IDT72T1865,
2. In FWFT mode: D = maximum FIFO depth. If x18 Input or x18 Output bus Width is selected, D = 2,049 for the IDT72T1845, 4,097 for the IDT72T1855, 8,193 for the IDT72T1865,
3. RCS = LOW.
WCLK
IDT72T1845/55/65/75/85/95/105/115/125 2.5V TeraSync™ 18-BIT/9-BIT FIFO
8Kx9, 8Kx18/16Kx9, 16Kx18/32Kx9, 32Kx18/64Kx9, 64Kx18/128Kx9, 128Kx18/256Kx9, 256Kx18/512Kx9, 512Kx18/1Mx9
RCLK
WEN
REN
16,384 for the IDT72T1875, 32,768 for the IDT72T1885, 65,536 for the IDT72T1895, 131,072 for the IDT72T18105, 262,144 for the IDT72T18115 and 524,288 for the IDT72T18125.
If both x9 Input and x9 Output bus Widths are selected, D = 4,096 for the IDT72T1845, 8,192 for the IDT72T1855, 16,384 for the IDT72T1865, 32,768 for the IDT72T1875, 65,536
for the IDT72T1885, 131,072 for the IDT72T1895, 262,144 for the IDT72T18105, 524,288 for the IDT72T18115 and 1,048,576 for the IDT72T18125.
16,385 for the IDT72T1875, 32,769 for the IDT72T1885, 65,537 for the IDT72T1895, 131,073 for the IDT72T18105, 262,145 for the IDT72T18115 and 524,289 for the IDT72T18125.
If both x9 Input and x9 Output bus Widths are selected, D = 4,097 for the IDT72T1845, 8,193 for the IDT72T1855, 16,385 for the IDT72T1865, 32,769 for the IDT72T1875, 65,537
for the IDT72T1885, 131,073 for the IDT72T1895, 262,145 for the IDT72T18105, 524,289 for the IDT72T18115 and 1,048,577 for the IDT72T18125.
HF
[
D-1
2
D/2 words in FIFO
Figure 27. Half-Full Flag Timing (IDT Standard and FWFT Modes)
+ 1
]
words in FIFO
t
CLKH
(1)
,
(2)
t
ENS
t
CLKL
47
t
ENH
t
HF
t
ENS
2Kx18/4Kx9, 4Kx18/
[
D/2 + 1 words in FIFO
D-1
2
+ 2
]
words in FIFO
t
HF
(1)
,
(2)
COMMERCIAL AND INDUSTRIAL
[
TEMPERATURE RANGES
D-1
2
D/2 words in FIFO
+ 1
FEBRUARY 10, 2009
]
words in FIFO
(1)
,
5909 drw31
(2)