參數(shù)資料
型號: CYD18S72V
廠商: Cypress Semiconductor Corp.
英文描述: FLEx72 3.3V 64K/128K/256K x 72 Synchronous Dual-Port RAM(FLEx72 3.3V 64K/128K/256K x 72同步雙端口RAM)
中文描述: FLEx72 3.3 64K/128K/256K × 72同步雙口RAM(FLEx72 3.3 64K/128K/256K × 72同步雙端口RAM)的
文件頁數(shù): 12/25頁
文件大?。?/td> 677K
代理商: CYD18S72V
Document #: 38-06069 Rev. *I
Page 12 of 25
CYD04S72V
CYD09S72V
CYD18S72V
AC Test Load and Waveforms
Capacitance
[24]
Part#
Parameter
C
IN
C
OUT
C
IN
C
OUT
Description
Test Conditions
Max
20
10
[25]
40
20
Unit
pF
pF
pF
pF
CYD04S72V
CYD09S72V
Input Capacitance
Output Capacitance
Input Capacitance
Output Capacitance
T
A
= 25°C, f = 1 MHz,
V
DD
= 3.3V
CYD18S72V
Switching Characteristics
Over the Operating Range
Parameter
Description
–167
–133
–100
Unit
CYD04S72V
CYD09S72V
CYD04S72V
CYD09S72V
CYD18S72V
CYD18S72V
Min.
Max
Min.
Max
Min.
Max
Min.
Max
f
MAX2
t
CYC2
t
CH2
t
CL2
t
R[26]
t
F[26]
t
SA
t
HA
t
SB
t
HB
t
SC
t
HC
t
SW
t
HW
t
SD
t
HD
t
SAD
Maximum Operating Frequency
167
133
133
100
MHz
Clock Cycle Time
6.0
7.5
7.5
10
ns
Clock HIGH Time
2.7
3.0
3.4
4.5
ns
Clock LOW Time
2.7
3.0
3.4
4.5
ns
Clock Rise Time
2.0
2.0
2.0
3.0
ns
Clock Fall Time
2.0
2.0
2.0
3.0
ns
Address Set-up Time
2.3
2.5
2.2
2.7
ns
Address Hold Time
0.6
0.6
1.0
1.0
ns
Byte Select Set-up Time
2.3
2.5
2.2
2.7
ns
Byte Select Hold Time
0.6
0.6
1.0
1.0
ns
Chip Enable Set-up Time
2.3
2.5
NA
NA
ns
Chip Enable Hold Time
0.6
0.6
NA
NA
ns
R/W Set-up Time
2.3
2.5
2.2
2.7
ns
R/W Hold Time
0.6
0.6
1.0
1.0
ns
Input Data Set-up Time
2.3
2.5
2.2
2.7
ns
Input Data Hold Time
0.6
0.6
1.0
1.0
ns
ADS Set-up Time
2.3
2.5
NA
NA
ns
Notes:
24.C
also references C
25.Except INT and CNTINT which are 20 pF.
26.Except JTAG signal (t
R
and t
F
< 10 ns max).
R1 = 590
R2 = 435
C = 5 pF
(b) Three-state Delay (Load 2)
90%
10%
3.0V
Vss
90%
10%
< 2 ns
< 2 ns
ALL INPUT PULSES
3.3V
V
TH
= 1.5V
R = 50
Z
0
= 50
(a) Normal Load (Load 1)
C = 10 pF
OUTPUT
OUTPUT
相關(guān)PDF資料
PDF描述
CYD09S72V FLEx72 3.3V 64K/128K/256K x 72 Synchronous Dual-Port RAM(FLEx72 3.3V 64K/128K/256K x 72同步雙端口RAM)
CYDC128B08-55AXC 1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM
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