CYD18S72V CYPRESS [Cypress Semiconductor], CYD18S72V Datasheet - Page 12

• Manufacturer Part Number: CYD18S72V
• Description: FLEx72 3.3V 64K/128K/256K x 72 Synchronous Dual-Port RAM
• Manufacturer: CYPRESS [Cypress Semiconductor]

Document #: 38-06069 Rev. *D
AC Test Load and Waveforms
Switching Characteristics
f
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Parameter
MAX2
CYC2
CH2
CL2
R
F
SA
HA
SB
HB
SC
HC
SW
HW
SD
HD
SAD
HAD
SCN
HCN
SRST
[25]
[25]
OUTPUT
ALL INPUT PULSES
Maximum Operating
Frequency
Clock Cycle Time
Clock HIGH Time
Clock LOW Time
Clock Rise Time
Clock Fall Time
Address Set-up Time
Address Hold Time
Byte Select Set-up Time
Byte Select Hold Time
Chip Enable Set-up Time
Chip Enable Hold Time
R/W Set-up Time
R/W Hold Time
Input Data Set-up Time
Input Data Hold Time
ADS Set-up Time
ADS Hold Time
CNTEN Set-up Time
CNTEN Hold Time
CNTRST Set-up Time
(a) Normal Load (Load 1)
Z
0
= 50Ω
C = 10 pF
Description
Over the Operating Range
R = 50Ω
Vss
3.0V
< 2 ns
V
TH
= 1.5V
PRELIMINARY
Min.
CYD04S72V
CYD09S72V
6.0
2.3
0.6
0.6
2.3
0.6
2.3
2.3
2.7
2.7
2.3
0.6
2.3
2.3
0.6
2.3
0.6
0.6
-167
10%
90%
Max.
167
2.0
2.0
OUTPUT
Min.
CYD04S72V
CYD09S72V
7.5
3.0
3.0
2.5
0.6
2.5
0.6
2.5
0.6
2.5
0.6
2.5
0.6
2.5
0.6
2.5
0.6
2.5
(b) Three-state Delay (Load 2)
Max.
133
2.0
2.0
-133
90%
10%
C = 5 pF
< 2 ns
Min.
CYD18S72V
7.5
3.4
3.4
2.2
1.0
2.2
1.0
NA
NA
2.2
1.0
1.0
NA
NA
NA
NA
NA
2.2
Max
133
2.0
2.0
R1 = 590 Ω
R2 = 435 Ω
3.3V
Min.
CYD18S72V
4.5
4.5
2.7
1.0
2.7
1.0
NA
NA
2.7
1.0
2.7
1.0
NA
NA
NA
NA
NA
10
CYD04S72V
CYD09S72V
CYD18S72V
-100
Max
100
Page 12 of 26
3.0
3.0
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns