CYD18S72V-100BBI Cypress Semiconductor Corp, CYD18S72V-100BBI Datasheet - Page 19

• Manufacturer Part Number: CYD18S72V-100BBI
• Description: IC,SYNC SRAM,256KX72,CMOS,BGA,484PIN,PLASTIC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CYD18S72V-100BBI

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Synchronous
• Memory Size: 18M (256K x 72)
• Speed: 100MHz
• Interface: Parallel
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 484-FBGA
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Switching Waveforms
Counter Reset
Notes
Document Number : 38-06069 Rev. *K
39. CE
40. No dead cycle exists during counter reset. A Read or Write cycle may be coincidental with the counter reset.
INTERNAL
ADDRESS
ADDRESS
DATA
CNTRST
DATA
CNTEN
0
ADS
R/W
CLK
OUT
= BE0 – BE7 = LOW; CE
[52]
IN
t
SRST
A
x
[39, 40]
t
HRST
t
COUNTER
CH2
RESET
t
CYC2
1
= MRST = CNT/MSK = HIGH.
t
CL2
t
SW
t
SD
(continued)
D
0
t
t
HW
HD
ADDRESS 0
WRITE
0
t
CKLZ
ADDRESS 0
READ
ADDRESS 1
t
CD2
READ
1
Q
A
0
n
ADDRESS A
t
READ
CD2
A
t
SA
n
n
Q
A
m
1
t
ADDRESS A
HA
READ
A
CYD04S72V
CYD09S72V
CYD18S72V
m
m
Q
A
n
p
Page 19 of 26
A
p
[+] Feedback