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參數(shù)資料
| 型號(hào)： | CY7C470 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 8K x 9 FIFO, 16K x 9 FIFO 32K x 9 FIFO with Programmable Flags |
| 中文描述： | 8K的× 9先進(jìn)先出，16K的× 9先進(jìn)先出32K的× 9，具有可編程標(biāo)志的FIFO |
| 文件頁數(shù)： | 4/15頁 |
| 文件大?。?/td> | 270K |
| 代理商： | CY7C470 |
CY7C470
CY7C472
CY7C474
4
Switching Characteristics
Over the Operating Range
[5, 6]
7C470–15
7C472–15
7C474–15
Min.
7C470–20
7C472–20
7C474–20
Min.
7C470–25
7C472–25
7C474–25
Min.
7C470–40
7C472–40
7C474–40
Min.
Parameter
Description
Max.
Max.
Max.
Max.
Unit
t
CY
t
A
t
RV
t
PW
t
LZR
t
DV[7]
t
HZ[7]
t
HWZ
t
SD
t
HD
t
EFD
t
EFL
t
HFD
t
AFED
t
RAE
Cycle Time
30
30
35
50
ns
Access Time
15
20
25
40
ns
Recovery Time
15
10
10
10
ns
Pulse Width
15
20
25
40
ns
Read LOW to Low Z
3
3
3
3
ns
Valid Data from Read HIGH
3
3
3
3
ns
Read HIGH to High Z
15
15
18
25
ns
Write HIGH to Low Z
5
5
5
5
ns
Data Set-Up Time
11
12
15
20
ns
Data Hold Time
0
0
0
0
ns
E/F Delay
15
20
25
40
ns
MR to E/F LOW
25
30
35
50
ns
HF Delay
25
30
35
50
ns
PAFE Delay
25
30
35
50
ns
Effective Read from
Write HIGH
15
20
25
40
ns
t
WAF
Effective Write from
Read HIGH
15
20
25
40
ns
Notes:
5.
Test conditions assume signal transmission time of 5 ns or less, timing reference levels of 1.5V and output loading of the specified I
OL
/I
OH
and 30-pF load
capacitance, as in part (a) of AC Test Load and Waveforms, unless otherwise specified.
See the last page of this specification for Group A subgroup testing information.
t
and t
use capacitance loading as in part (b) of AC Test Loads. t
transition is measured at +500 mV from V
OL
and –500 mV from V
OH
. t
DVR
transition is measured
at the 1.5V level. t
HWZ
and t
LZR
transition is measured at
±
100 mV from the steady state.
6.
7.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| CY7C470-15JC | 8K x 9 FIFO, 16K x 9 FIFO 32K x 9 FIFO with Programmable Flags |
| CY7C470-15JI | 8K x 9 FIFO, 16K x 9 FIFO 32K x 9 FIFO with Programmable Flags |
| CY7C470-15PC | 8K x 9 FIFO, 16K x 9 FIFO 32K x 9 FIFO with Programmable Flags |
| CY7C470-20DMB | 8K x 9 FIFO, 16K x 9 FIFO 32K x 9 FIFO with Programmable Flags |
| CY7C470-20LMB | 8K x 9 FIFO, 16K x 9 FIFO 32K x 9 FIFO with Programmable Flags |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C470-25JC | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY7C470-40JI | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
| CY7C472-15JC | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
| CY7C472-15JI | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
| CY7C4801-15AC | 制造商:Cypress Semiconductor 功能描述:FIFO, 2 x 256 x 9, Synchronous, 64 Pin, Plastic, QFP |
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