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參數(shù)資料
| 型號： | CY7C439 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Bidirectional 2K x 9 FIFO( 2K x 9雙向 先進(jìn)先出) |
| 中文描述： | 雙向2K × 9的FIFO（2K × 9雙向先進(jìn)先出） |
| 文件頁數(shù)： | 4/17頁 |
| 文件大?。?/td> | 282K |
| 代理商： | CY7C439 |
CY7C439
4
AC Test Loads and Waveform
3.0V
5V
OUTPUT
R1500
R2
333
30 pF
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
< 5 ns
< 5 ns
OUTPUT
2V
Equivalentto:
THé ENIN EQUIVALENT
C439-4
200
ALL INPUT PULSES
C439-5
5V
OUTPUT
R1500
R2
333
5 pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
Switching Characteristics
Over the Operating Range
[2, 7]
7C439-25
Min.
35
7C439-30
Min.
40
7C439-40
Min.
50
7C439-65
Min.
80
Parameter
t
RC
t
A
t
RR
t
PR
t
LZR[8, 9]
t
DVR[8, 9]
t
HZR[8, 9]
t
WC
t
PW
t
HWZ[8, 9]
t
WR
t
SD
t
HD
t
MRSC
t
PMR
t
RMR
t
RPS
t
RPBS
t
RPBH
t
BDH
t
BSR
t
EFL
t
HFH
t
BRS
t
REF
t
RFF
t
WEF
Description
Max.
Max.
Max.
Max.
Unit
ns
Read Cycle Time
Access Time
Read Recovery Time
25
30
40
65
ns
ns
10
10
10
15
Read Pulse Width
25
30
40
65
ns
Read LOW to Low Z
Data Valid from Read HIGH
3
3
3
3
3
3
3
3
ns
ns
Read HIGH to High Z
18
20
25
30
ns
Write Cycle Time
Write Pulse Width
35
25
40
30
50
40
80
65
ns
ns
Write HIGH to Low Z
10
10
10
10
ns
Write Recovery Time
Data Set-Up Time
10
15
10
18
10
20
15
30
ns
ns
Data Hold Time
0
0
0
10
ns
MR Cycle Time
MR Pulse Width
35
25
40
30
50
40
80
65
ns
ns
MR Recovery Time
10
10
10
15
ns
STBX HIGH to MR HIGH
BYPA to MR HIGH
25
10
30
10
40
15
65
20
ns
ns
BYPA Hold after MR HIGH
0
0
0
0
ns
MR LOW to BDA HIGH
STBX HIGH to BYPA LOW
35
40
50
80
ns
ns
10
10
10
15
MR to E/F LOW
35
40
50
80
ns
MR to HF HIGH
BYPX HIGH to STBX LOW
35
40
50
80
ns
ns
10
10
10
15
STBX LOW to E/F LOW (Read)
25
30
35
60
ns
STBX HIGH to E/F HIGH (Read)
STBX HIGH to E/F HIGH (Write)
25
25
30
30
35
35
60
60
ns
ns
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C439-40DMB | 制造商:Cypress Semiconductor 功能描述: |
| CY7C441-14JC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Width Uni-Dir 512 x 9 32-Pin PLCC |
| CY7C441-30JC | 制造商:Cypress Semiconductor 功能描述:FIFO, 512 x 9, Synchronous, 32 Pin, Plastic, PLCC |
| CY7C441-30JI | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| CY7C4421-10JXC | 功能描述:IC SYNC FIFO 64KX9 10NS 32PLCC RoHS:是 類別:集成電路 (IC) >> 邏輯 - FIFO 系列:CY7C 標(biāo)準(zhǔn)包裝:15 系列:74F 功能:異步 存儲容量:256（64 x 4） 數(shù)據(jù)速率:- 訪問時間:- 電源電壓:4.5 V ~ 5.5 V 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:24-DIP（0.300"，7.62mm） 供應(yīng)商設(shè)備封裝:24-PDIP 包裝:管件 其它名稱:74F433 |
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