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參數(shù)資料
| 型號： | IDT7201LA80XEB |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | DRAM |
| 英文描述： | CMOS ASYNCHRONOUS FIFO 256 x 9, 512 x 9, 1K x 9 |
| 中文描述： | 512 X 9 OTHER FIFO, 80 ns, CDFP28 |
| 封裝： | CERPACK-28 |
| 文件頁數(shù)： | 11/14頁 |
| 文件大?。?/td> | 152K |
| 代理商： | IDT7201LA80XEB |
5.03
11
IDT7200/7201A/7202A CMOS ASYNCHRONOUS FIFO
256 x 9, 512 x 9 and 1K x 9
MILITARY AND COMMERCIAL TEMPERATURE RANGES
IDT
7200/
7201A/
7202A
XI
XI
9
9
18
9
18
HF
HF
9
DATA
WRITE (
W
)
FULL FLAG (
FF
)
RESET (
RS
)
(D)
IN
READ (
R
)
EMPTY FLAG (
EF
)
RETRANSMIT (
RT
)
DATA
(Q)
OUT
IDT
7200/
7201A/
7202A
Figure 12. Block Diagram of Single 256/512/1024 x 9 FIFO
2679 drw 15
Figure 13. Block Diagram of 256/512/1024 x 18 FIFO Memory Used in Width Expansion Mode
TABLE II—RESET AND FIRST LOAD TRUTH TABLE
Depth Expansion/Compound Expansion Mode
Inputs
FL
0
1
X
Internal Status
Outputs
Mode
RS
0
0
1
XI
(1)
(1)
(1)
Read Pointer
Location Zero
Location Zero
Write Pointer
Location Zero
Location Zero
EF
0
0
X
FF
1
1
X
Reset First Device
Reset All Other Devices
Read/Write
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
= Flag Full Output,
XI
= Expansion Input,
HF
= Half-Full Flag Output
2679 tbl 10
TABLE I—RESET AND RETRANSMIT
Single Device Configuration/Width Expansion Mode
Inputs
RT
X
0
1
Internal Status
Outputs
FF
Mode
RS
0
1
1
XI
0
0
0
Read Pointer
Location Zero
Location Zero
Increment
(1)
Write Pointer
Location Zero
Unchanged
Increment
(1)
EF
0
X
X
HF
1
X
X
Reset
Retransmit
Read/Write
1
X
X
NOTE:
1. Pointer will increment if flag is High.
2679 tbl 09
WRITE (
W
)
DATA IN (D)
FULL FLAG (
FF
)
RESET (
RS
)
9
READ (
R
)
9
DATA OUT (Q)
EMPTY FLAG (
EF
)
RETRANSMIT (
RT
)
EXPANSION IN (
XI
)
(
HF
)
IDT
7200/
7201A/
7202A
(HALF–FULL FLAG)
2679 drw 14
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| IDT7201S120CB | 制造商:Integrated Device Technology Inc 功能描述:FIFO, 512 x 9, Asynchronous, 28 Pin, Ceramic, DIP |
| IDT7201S120D | 制造商:Integrated Device Technology Inc 功能描述:FIFO, 512 x 9, Asynchronous, 28 Pin, Ceramic, DIP |
| Idt7201S120DB | 制造商:Integrated Device Technology Inc 功能描述:FIFO, 512 x 9, Asynchronous, 28 Pin, Ceramic, DIP |
| IDT7201SA35J | 制造商:Integrated Device Technology Inc 功能描述:FIFO, 512 x 9, Asynchronous, 32 Pin, Plastic, PLCC |
| IDT7201SA65J | 制造商:Integrated Device Technology Inc 功能描述: |
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