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參數(shù)資料
| 型號： | CY7C421 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | 512 x 9 Asynchronous FIFO(512 x 9 位異步先進(jìn)先出（FIFO）) |
| 中文描述： | 512 × 9異步FIFO（512 × 9位異步先進(jìn)先出（FIFO）的） |
| 文件頁數(shù)： | 2/25頁 |
| 文件大?。?/td> | 483K |
| 代理商： | CY7C421 |
CY7C419/21/25/29/33
Document #: 38-06001 Rev. *B
Page 2 of 25
Maximum Rating
[1]
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature .................................–65
°
C to +150
°
C
Ambient Temperature with
Power Applied.............................................–55
°
C to +125
°
C
Supply Voltage to Ground Potential...............–0.5V to +7.0V
DC Voltage Applied to Outputs
in High Z State................................................–0.5V to +7.0V
DC Input Voltage ............................................–0.5V to +7.0V
Power Dissipation..........................................................1.0W
Output Current, into Outputs (LOW)............................20 mA
Static Discharge Voltage............................................>2000V
(per MIL–STD–883, Method 3015)
Latch-Up Current.....................................................>200 mA
Note:
1. Single Power Supply: The voltage on any input or I/O pin can not exceed the power pin during power-up.
RAMARRAY
256x 9
512x 9
1024x 9
2048x 9
Logic Block Diagram
Pin Configurations
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
24
23
22
21
25
28
27
26
Top View
DIP
7C420/1
W
D
8
D
3
D
2
D
1
D
0
XI
FF
Q
0
Q
1
Q
2
Q
3
Q
8
GND
Vcc
D
4
D
5
D
6
D
7
FL/RT
MR
EF
XO/HF
Q
7
Q
6
Q
5
Q
4
R
PLCC/LCC
Top View
N
3
8
4 3 2 1 323130
5
6
7
8
9
10
11
12
13
14 151617 181920
G
29
28
27
26
25
24
23
22
21
FL/RT
MR
EF
XO/HF
Q
7
Q
6
D
6
D
7
NC
READ
CONTROL
WRITE
CONTROL
WRITE
POINTER
RESET
LOGIC
EXPANSION
LOGIC
DATAINPUTS
(D0–D8)
THREE-
STATE
BUFFERS
DATA OUTPUTS
(Q0–Q8)
W
READ
POINTER
FLAG
LOGIC
R
XI
EF
FF
XO/HF
MR
FL/RT
D
2
D
1
D
0
XI
FF
Q
0
Q
1
NC
Q
2
D
D
W
V
D
4
D
5
c
Q
3
Q
8
N
R
Q
4
Q
5
77C433
7C419
26
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
9 10 11 12 13 14 15
32 3130 29 28 27
25
Q
1
XI
FF
Q
0
D
1
D
0
NC
NC
D
6
D
5
D
4
V
C
W
D
8
D
3
D
2
D
7
FL/RT
NC
NC
MR
EF
XO/HF
Q
7
Top View
TQFP
Q
2
Q
3
Q
8
G
R
Q
4
Q
5
Q
6
16
7C419
7C421/5/9
7C433
Selection Guide
256 x 9
512 x 9 (600-mil only)
512 x 9
1K x 9 (600-mil only)
1K x 9
2K x 9 (600-mil only)
2K x 9
4K x 9 (600-mil only)
4K x 9
Frequency (MHz)
Maximum Access Time (ns)
I
CC1
(mA)
7C419–10
7C419–15
7C419–30
7C419–40
7C420–40
7C421–40
7C424–40
7C425–40
7C420–20
7C421–20
7C424–20
7C425–20
7C428–20
7C429–20
7C420–25
7C421–25
7C424–25
7C425–25
7C420–65
7C421–65
7C424–65
7C425–65
7C428–65
7C429–65
7C421–10
7C421–15
7C421–30
7C424–30
7C425–30
7C425–10
7C425–15
7C429–10
7C429–15
7C429–25
7C432–25
7C433–25
28.5
25
35
7C429–30
7C429–40
7C432–40
7C433–40
20
40
35
7C433–10
50
10
35
7C433–15
40
15
35
7C433–20
33.3
20
35
7C433–30
25
30
35
7C433–65
12.5
65
35
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY7C4211 WAF | 制造商:Cypress Semiconductor 功能描述: |
| CY7C421-10JC | 制造商:Rochester Electronics LLC 功能描述:512 X 9 28 PIN .300 PARALLEL-CASCADEABLEFIFO " - Bulk 制造商:Cypress Semiconductor 功能描述: |
| CY7C421-10JXC | 功能描述:IC ASYNC FIFO MEM 512X9 32-PLCC 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 |
| CY7C421-10JXCT | 功能描述:IC ASYNC FIFO MEM 512X9 32-PLCC 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 |
| CY7C421-10PC | 制造商:Cypress Semiconductor 功能描述:FIFO Mem Async Dual Depth/Width Uni-Dir 512 x 9 28-Pin PDIP |
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