IDT72V02L25JI Ver la hoja de datos (PDF) - Integrated Device Technology
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IDT72V02L25JI
Integrated Device Technology
IDT72V02L25JI Datasheet PDF : 12 Pages
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IDT72V01/72V02/72V03/72V04/72V05/72V06 3.3V ASYNCHRONOUS FIFO
512 x 9, 1,024 x 9, 2,048 x 9, 4,096 x 9, 8,192 x 9 and 16,384 x 9
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
TABLE 2 — RESET AND FIRST LOAD TRUTH TABLE
Depth Expansion/Compound Expansion Mode
Inputs
Internal Status
Outputs
Mode
RS
FL
XI
Read Pointer
Write Pointer
EF
FF
Reset First Device
0
0
(1)
Location Zero
Location Zero
0
1
Reset All Other Devices
0
1
(1)
Location Zero
Location Zero
0
1
Read/Write
1
X
(1)
X
X
X
X
NOTE:
1. XI is connected to XO of previous device. See Figure 14. RS = Reset Input, FL/RT = First Load/Retransmit, EF = Empty Flag Output, FF = Full Flag Output,
XI = Expansion Input, HF = Half-Full Flag Output
W
D
9
FULL
RS
XO
IDT
FF
72V01
72V02
EF
9
72V03
72V04
9
72V05 FL
72V06
XI
FF
9
XO
IDT
72V01
EF
72V02
72V03
72V04
72V05
FL
72V06
XI
FF
9
XO
IDT
72V01 EF
72V02
72V03
72V04
72V05
72V06 FL
XI
R
Q
VCC
EMPTY
Figure 14. Block Diagram of 1,536 x 9, 3,072 x 9, 6,144 x 9, 12,288 x 9, 24,576 x 9 and 49,152 x 9 FIFO Memory (Depth Expansion)
Q0-Q8
Q9-Q17
R, W, RS
IDT
72V01/72V02/72V03/
72V04/72V05/72V06
DEPTH
EXPANSION
BLOCK
IDT
72V01/72V02/72V03/
72V04/72V05/72V06
DEPTH
EXPANSION
BLOCK
D0-D8
D9-D17
D0-DN
NOTES:
1. For depth expansion block see section on Depth Expansion and Figure 14.
2. For Flag detection see section on Width Expansion and Figure 13.
Figure 15. Compound FIFO Expansion
10
Q(N-8)-QN
IDT
72V01/72V02/72V03/
72V04/72V05/72V06
DEPTH
EXPANSION
BLOCK
D(N-8)-DN
3033 drw 17
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