CY7C1270V18-375BZXC Cypress Semiconductor Corp, CY7C1270V18-375BZXC Datasheet - Page 11

• Manufacturer Part Number: CY7C1270V18-375BZXC
• Description: IC SRAM 36MBIT 375MHZ 165TFBGA
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C1270V18-375BZXC

• Format - Memory: RAM
• Memory Type: SRAM - Synchronous, DDR II
• Memory Size: 36M (1M x 36)
• Speed: 375MHz
• 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

Write Cycle Descriptions
The write cycle description table for CY7C1270V18 follows.
Document Number: 001-06347 Rev. *D
BWS
H
H
H
H
H
H
H
H
L
L
L
L
0
BWS
H
H
H
H
H
H
H
H
L
L
L
L
1
BWS
H
H
H
H
H
H
H
H
L
L
L
L
2
BWS
H
H
H
H
H
H
H
H
L
L
L
L
3
L-H
L-H
L-H
L-H
L-H
L-H
K
–
–
–
–
–
–
L-H During the data portion of a write sequence, all four bytes (D
L-H During the data portion of a write sequence, only the lower byte (D
L-H During the data portion of a write sequence, only the byte (D
L-H During the data portion of a write sequence, only the byte (D
L-H During the data portion of a write sequence, only the byte (D
L-H No data is written into the device during this portion of a write operation.
K
–
–
–
–
–
–
During the data portion of a write sequence, all four bytes (D
into the device.
into the device.
During the data portion of a write sequence, only the lower byte (D
written into the device. D
written into the device. D
During the data portion of a write sequence, only the byte (D
into the device. D
into the device. D
During the data portion of a write sequence, only the byte (D
into the device. D
into the device. D
During the data portion of a write sequence, only the byte (D
into the device. D
into the device. D
No data is written into the device during this portion of a write operation.
[2, 8]
[8:0]
[8:0]
[17:0]
[17:0]
[26:0]
[26:0]
and D
and D
and D
and D
remains unaltered.
remains unaltered.
[35:9]
[35:9]
[35:18]
[35:18]
[35:27]
[35:27]
remains unaltered.
remains unaltered.
CY7C1266V18, CY7C1277V18
CY7C1268V18, CY7C1270V18
Comments
remain unaltered.
remain unaltered.
remain unaltered.
remain unaltered.
[35:0]
[35:0]
[26:18]
[26:18]
[35:27]
[35:27]
[17:9]
[17:9]
) are written
) are written
) is written
) is written
) is written
) is written
) is written
) is written
[8:0]
[8:0]
Page 11 of 27
) is
) is
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