參數(shù)資料
型號: CY7C4221
廠商: Cypress Semiconductor Corp.
英文描述: 1K x 9 Synchronous FIFOs(1Kx9同步先進先出(FIFO))
中文描述: 每1000 × 9(1Kx9同步先進先出(FIFO)的同步FIFO的)
文件頁數(shù): 8/19頁
文件大?。?/td> 550K
代理商: CY7C4221
CY7C4421/4201/4211/4221
CY7C4231/4241/4251
Document #: 38-06016 Rev. *C
Page 8 of 19
AC Test Loads and Waveforms
[11, 12]
3.0V
5V
OUTPUT
R1 1.1 K
R2
680
C
L
INCLUDING
JIG AND
SCOPE
GND
90%
10%
90%
10%
3 ns
3 ns
OUTPUT
1.91V
Equivalentto:
THé VENIN EQUIVALENT
420
ALL INPUT PULSES
Switching Characteristics
Over the Operating Range
Parameter
t
S
t
A
t
CLK
t
CLKH
t
CLKL
t
DS
t
DH
t
ENS
t
ENH
t
RS
t
RSS
t
RSR
t
RSF
t
OLZ
t
OE
t
OHZ
t
WFF
t
REF
t
PAF
t
PAE
t
SKEW1
Description
-10
-15
-25
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Min.
Max.
100
8
Min.
Max.
66.7
10
Min.
Max.
40
15
Clock Cycle Frequency
Data Access Time
Clock Cycle Time
Clock HIGH Time
Clock LOW Time
Data Set-up Time
Data Hold Time
Enable Set-up Time
Enable Hold Time
Reset Pulse Width
[13]
Reset Set-up Time
Reset Recovery Time
Reset to Flag and Output Time
Output Enable to Output in Low-Z
[14]
Output Enable to Output Valid
Output Enable to Output in High-Z
[14]
Write Clock to Full Flag
Read Clock to Empty Flag
Clock to Programmable Almost-Full Flag
Clock to Programmable Almost-Full Flag
Skew Time between Read Clock and Write Clock
for Empty Flag and Full Flag
Skew Time between Read Clock and Write Clock
for Almost-Empty Flag and Almost-Full Flag
2
2
15
6
6
4
1
4
1
15
10
10
2
10
4.5
4.5
3
0.5
3
0.5
10
8
8
25
10
10
6
1
6
1
25
15
15
10
15
25
0
3
3
0
3
3
0
3
3
7
7
8
8
8
8
8
8
12
12
15
15
15
15
10
10
10
10
5
6
10
t
SKEW2
10
15
18
ns
Notes:
11. C
L
= 30 pF for all AC parameters except for t
OHZ
.
12.C
= 5 pF for t
.
13.Pulse widths less than minimum values are not allowed.
14.Values guaranteed by design, not currently tested.
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參數(shù)描述
CY7C4221-15AC 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 1K x 9 32-Pin TQFP 制造商:Rochester Electronics LLC 功能描述:1K X 9 32 PIN IDT COMPAT SYNCH FIFO - Bulk
CY7C4221-15ACT 制造商:Cypress Semiconductor 功能描述:
CY7C4221-15AXC 功能描述:先進先出 1Kx9 IDT Compat SYNC 先進先出 COM RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲容量:4 Mbit 定時類型:Synchronous 組織:256 K x 18 最大時鐘頻率:100 MHz 訪問時間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝:
CY7C4221-15AXCT 功能描述:先進先出 1Kx9 IDT Compat SYNC 先進先出 COM RoHS:否 制造商:IDT 電路數(shù)量: 數(shù)據(jù)總線寬度:18 bit 總線定向:Unidirectional 存儲容量:4 Mbit 定時類型:Synchronous 組織:256 K x 18 最大時鐘頻率:100 MHz 訪問時間:10 ns 電源電壓-最大:3.6 V 電源電壓-最小:6 V 最大工作電流:35 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TQFP-80 封裝:
CY7C4221-15JC 制造商:Cypress Semiconductor 功能描述:FIFO Mem Sync Dual Depth/Width Uni-Dir 1K x 9 32-Pin PLCC 制造商:Rochester Electronics LLC 功能描述:1K X 9 SYNCHRONOUS FIFO - Bulk