CY7C1426AV18-167BZXC Cypress Semiconductor Corp, CY7C1426AV18-167BZXC Datasheet - Page 10

• Manufacturer Part Number: CY7C1426AV18-167BZXC
• Description: IC SRAM 36MBIT 167MHZ 165TFBGA
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1426AV18-167BZXC

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous, QDR II
• Memory Size: 36M (4M x 9)
• Speed: 167MHz
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 165-TFBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Document Number: 38-05614 Rev. *C
Write Cycle Descriptions
BWS
Note:
10. Assumes a Write cycle was initiated per the Write Port Cycle Description Truth Table. NWS
portions of a Write cycle, as long as the set-up and hold requirements are achieved.
0
H
H
H
H
L
L
L
L
/NWS
0
BWS
1
H
H
H
H
L
L
L
L
/NWS
1
L–H
L–H
L–H
L–H
K
–
–
–
–
(CY7C1411AV18 and CY7C1413AV18)
L–H During the Data portion of a Write sequence :
L–H During the Data portion of a Write sequence :
L–H No data is written into the devices during this portion of a write operation.
L-H During the Data portion of a Write sequence:
K
–
–
–
–
During the Data portion of a Write sequence:
CY7C1411AV18 − both nibbles (D
CY7C1413AV18 − both bytes (D
CY7C1411AV18 − both nibbles (D
CY7C1413AV18 − both bytes (D
During the Data portion of a Write sequence :
CY7C1411AV18 − only the lower nibble (D
unaltered,
CY7C1413AV18 − only the lower byte (D
unaltered.
CY7C1411AV18 − only the lower nibble (D
unaltered,
CY7C1413AV18 − only the lower byte (D
unaltered.
During the Data portion of a Write sequence :
CY7C1411AV18 − only the upper nibble (D
remain unaltered,
CY7C1413AV18 − only the upper byte (D
unaltered.
CY7C1411AV18 − only the upper nibble (D
remain unaltered,
CY7C1413AV18 − only the upper byte (D
unaltered.
No data is written into the devices during this portion of a write operation.
[17:0]
[17:0]
0
[2, 10]
, NWS
[7:0]
[7:0]
) are written into the device.
) are written into the device.
Comments
) are written into the device,
) are written into the device,
1
, BWS
[8:0]
[8:0]
[17:9]
[17:9]
[3:0]
[3:0]
[7:4]
[7:4]
) is written into the device. D
) is written into the device. D
0
) is written into the device. D
) is written into the device. D
) is written into the device. D
) is written into the device. D
, BWS
) is written into the device. D
) is written into the device. D
1
, BWS
2
, and BWS
CY7C1426AV18
CY7C1413AV18
CY7C1415AV18
CY7C1411AV18
3
can be altered on different
[17:9]
[17:9]
[7:4]
[7:4]
[8:0]
[8:0]
Page 10 of 28
[3:0]
[3:0]
will remain
will remain
will remain
will remain
will remain
will remain
will
will
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