IDT72T1845L4-4BB IDT, Integrated Device Technology Inc, IDT72T1845L4-4BB Datasheet - Page 18

• Manufacturer Part Number: IDT72T1845L4-4BB
• Description: IC FIFO 2048X18 2.5V 4NS 240BGA
• Manufacturer: IDT, Integrated Device Technology Inc
• Series: 72Tr

Specifications of IDT72T1845L4-4BB

• Function: Asynchronous, Dual Port
• Memory Size: 36.8K (2K x 18)
• Data Rate: 10MHz
• Access Time: 3.4ns
• Voltage - Supply: 2.375 V ~ 2.625 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 240-BGA
• Configuration: Dual
• Density: 36Kb
• Access Time (max): 3.4/8ns
• Word Size: 9/18Bit
• Organization: 2Kx18/4Kx9
• Sync/async: Synchronous
• Expandable: Yes
• Bus Direction: Uni-Directional
• Package Type: PBGA
• Clock Freq (max): 225/100MHz
• Operating Supply Voltage (typ): 2.5V
• Operating Supply Voltage (min): 2.375V
• Operating Supply Voltage (max): 2.625V
• Supply Current: 60mA
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 144
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 72T1845L4-4BB

NOTE:
1. See table 2 for values for n, m.
NOTE:
1. See table 2 for values for n, m.
2. Number of Words in FIFO = Depth + Output Register.
TABLE 3 ⎯ STATUS FLAGS FOR IDT STANDARD MODE
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
IW = OW = x9
IW = x18 or
OW = x18
TABLE 4 ⎯ STATUS FLAGS FOR FWFT MODE
IW = OW = x9
IW = x18 or
OW = x18
IW = x18 or
OW = x18
IW = x18 or
OW = x18
IW = OW = x9
IW = OW = x9
Number of
Words in
FIFO
Number of
Words in
FIFO
Number of
Words in
FIFO
Number of
Words in
FIFO
32,769 to (65,536-(m+1))
32,770 to (65,537-(m+1))
(65,536-m) to 65,535
(65,537-m) to 65,536
1,025 to (2048-(m+1))
1,026 to (2049-(m+1))
(2048-m) to 2,047
(2049-m) to 2,048
(n+1) to 32,768
(n+2) to 32,769
IDT72T1885
IDT72T1895
IDT72T1885
IDT72T1895
(n+1) to 1,024
(n+2) to 1,025
1 to n+1
IDT72T1845
IDT72T1845
1 to n+1
1 to n
1 to n
65,536
65,537
2,048
2,049
0
0
0
0
(1)
(1)
(1)
(1)
65,538 to (131,073-(m+1))
(131,073-m) to 131,072
65,537 to (131,072-(m+1))
(131,072-m) to 131,071
2,049 to (4,096-(m+1))
2,050 to (4,097-(m+1))
(n+2) to 65,537
(4,096-m) to 4,095
(4,097-m) to 4,096
IDT72T18105
IDT72T1895
(n+1) to 65,536
IDT72T18105
IDT72T1895
(n+2) to 2,049
1 to n+1
IDT72T1845
(n+1) to 2,048
IDT72T1845
IDT72T1855
IDT72T1855
131,073
1 to n+1
131,072
1 to n
1 to n
4,096
4,097
0
0
0
0
(1)
(1)
(1)
(1)
131,074 to (262,145-(m+1))
(262,145-m) to 262,144
131,073 to (262,144-(m+1))
(262,144-m) to 262,143
4,097 to (8,192-(m+1))
4,098 to (8,193-(m+1))
IDT72T18105
IDT72T18115
(8,192-m) to 8,191
(8,193-m) to 8,192
(n+2) to 131,073
IDT72T18105
(n+1) to 4,096
IDT72T18115
(n+2) to 4,097
1 to n+1
(n+1) to 131,072
IDT72T1855
IDT72T1865
IDT72T1855
IDT72T1865
1 to n+1
262,145
1 to n
1 to n
262,144
8,192
8,193
0
0
0
0
(1)
(1)
(1)
(1)
18
262,146 to (524,289-(m+1))
262,145 to (524,288-(m+1))
(524,289-m) to 524,288
(524,288-m) to 524,287
8,193 to (16,384-(m+1))
8,194 to (16,385-(m+1))
(16,384-m) to 16,383
(16,385-m) to 16,384
(n+1) to 262,144
(n+2) to 262,145
IDT72T18125
IDT72T18125
IDT72T18115
IDT72T18115
(n+1) to 8,192
(n+2) to 8,193
IDT72T1875
IDT72T1875
1 to n+1
IDT72T1865
524,288
IDT72T1865
524,289
1 to n
1 to n+1
1 to n
16,384
16,385
0
0
0
0
2Kx18/4Kx9, 4Kx18/
(1)
(
1)
(1)
(1)
524,290 to (1,048,577-(m+1))
(1,048,576-m) to 1,048,575
524,289 to (1,048,576-(m+1))
(1,048,577-m) to 1,048,576
16,385 to (32,768-(m+1))
16,386 to (32,769-(m+1))
(32,768-m) to 32,767
(32,769-m) to 32,768
IDT72T18125
(n+1) to 524,288
IDT72T1875
(n+1) to 16,384
(n+2) to 16,385
(n+2) to 524,289
IDT72T1885
IDT72T1875
IDT72T18125
IDT72T1885
1,048,576
1 to n+1
1 to n+1
1,048,577
1 to n
32,768
1 to n
32,769
0
0
0
0
COMMERCIAL AND INDUSTRIAL
(1)
(1)
(1)
(1)
TEMPERATURE RANGES
FF PAF HF PAE EF
FF
IR
IR
L
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
L
L
H
L
L
L
L
L
FEBRUARY 10, 2009
PAF HF PAE EF
PAF HF PAE OR
PAF HF PAE OR
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
H
H
H
H
H
H
L
L
L
H
H
H
L
L
L
H
H
H
L
L
L
L
L
H
H
H
H
L
L
H
H
H
H
L
L
H
H
H
H
L
L
H
H
H
H
5909 drw05
H
H
H
H
H
L
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
H