![](http://datasheet.mmic.net.cn/IDT--Integrated-Device-Technology-Inc/IDT72V2113L6BC_datasheet_105049/IDT72V2113L6BC_15.png)
15
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
Figure 3. Programmable Flag Offset Programming Sequence
D/Q8
D/Q0
EMPTY OFFSET REGISTER
1
2
3
4
5
6
7
8
1st Parallel Offset Write/Read Cycle
2nd Parallel Offset Write/Read Cycle
3rd Parallel Offset Write/Read Cycle
4th Parallel Offset Write/Read Cycle
D/Q8
D/Q0
EMPTY OFFSET REGISTER
9
10
11
12
13
14
15
16
D/Q8
D/Q0
FULL OFFSET REGISTER
1
2
3
4
5
6
7
8
D/Q8
D/Q0
EMPTY OFFSET REGISTER
17
18
19
5th Parallel Offset Write/Read Cycle
D/Q8
D/Q0
FULL OFFSET REGISTER
9
10
11
12
13
14
15
16
6th Parallel Offset Write/Read Cycle
D/Q8
D/Q0
17
18
19
FULL OFFSET REGISTER
IDT72V2103/72V2113 x9 Bus Width
6119 drw 06
x9 to x9 Mode
All Other Modes
# of Bits Used:
18 bits for the IDT72V2103
19 bits for the IDT72V2113
Note: All unused bits of the
LSB & MSB are don’t care
# of Bits Used:
17 bits for the IDT72V2103
18 bits for the IDT72V2113
Note: All unused bits of the
LSB & MSB are don’t care
4666 drw 06
D/Q17
D/Q0
D/Q16
EMPTY OFFSET (LSB) REGISTER
Data Inputs/Outputs
# of Bits Used
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
EMPTY OFFSET (MSB) REGISTER
Data Inputs/Outputs
17
16
18
1st Parallel Offset Write/Read Cycle
2nd Parallel Offset Write/Read Cycle
Data Inputs/Outputs
3rd Parallel Offset Write/Read Cycle
4th Parallel Offset Write/Read Cycle
1
2
3
4
5
6
7
8
10
11
12
13
14
15
9
18 17
FULL OFFSET (LSB) REGISTER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
10
11
12
13
14
15
9
FULL OFFSET (MSB) REGISTER
17
18
18 17
Non-Interspersed
Parity
Interspersed
Parity
D/Q17
D/Q0
D/Q16
D/Q17
D/Q0
D/Q16
D/Q17
D/Q0
D/Q16
D/Q8
16
IDT72V2103/72V2113 x18 Bus Width