Cypress manual Write Descriptions CY7C1303BV25 2, Write Descriptions CY7C1306BV25 2, Comments

Page 7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CY7C1303BV25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CY7C1306BV25

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Write Descriptions (CY7C1303BV25)[2, 8]

 

 

 

 

BWS

0

 

 

 

BWS

1

 

 

K

 

 

 

 

K

 

 

 

 

 

 

 

Comments

 

 

L

 

 

 

L

 

L-H

 

 

-

 

 

 

During the Data portion of a Write sequence, both bytes (D[17:0]) are written into the device.

 

 

L

 

 

 

L

 

-

 

 

 

 

L-H

During the Data portion of a Write sequence, both bytes (D[17:0]) are written into the device.

 

 

L

 

 

 

H

 

L-H

 

 

-

 

 

 

During the Data portion of a Write sequence, only the lower byte (D[8:0]) is written into the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

device. D[17:9] remains unaltered.

 

 

L

 

 

 

H

 

-

 

 

 

 

L-H

During the Data portion of a Write sequence, only the lower byte (D[8:0]) is written into the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

device. D[17:9] remains unaltered.

 

 

H

 

 

 

L

 

L-H

 

 

-

 

 

 

During the Data portion of a Write sequence, only the byte (D[17:9]) is written into the device.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D[8:0] remains unaltered.

 

 

H

 

 

 

L

 

-

 

 

 

 

L-H

During the Data portion of a Write sequence, only the byte (D[17:9]) is written into the device.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D[8:0] remains unaltered.

 

 

H

 

 

 

H

 

L-H

 

 

-

 

 

 

No data is written into the device during this portion of a write operation.

 

 

H

 

 

 

H

 

-

 

 

 

 

L-H

No data is written into the device during this portion of a write operation.

Write Descriptions (CY7C1306BV25)[2, 8]

 

 

 

BWS

0

 

 

BWS

1

 

BWS

2

 

 

BWS

3

 

K

 

K

 

Comments

 

 

L

 

 

 

 

L

 

 

L

 

 

 

L

 

L-H

-

 

During the Data portion of a Write sequence, all four bytes (D[35:0]) are

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

written into the device.

 

 

L

 

 

 

 

L

 

 

L

 

 

 

L

 

-

L-H

During the Data portion of a Write sequence, all four bytes (D[35:0]) are

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

written into the device.

 

 

L

 

 

 

 

H

 

 

H

 

 

 

H

 

L-H

-

 

During the Data portion of a Write sequence, only the lower byte (D[8:0])

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is written into the device. D[35:9] will remain unaltered.

 

 

L

 

 

 

 

H

 

 

H

 

 

 

H

 

-

L-H

During the Data portion of a Write sequence, only the lower byte (D[8:0])

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is written into the device. D[35:9] will remain unaltered.

 

 

H

 

 

 

 

L

 

 

H

 

 

 

H

 

L-H

-

 

During the Data portion of a Write sequence, only the byte (D[17:9]) is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

written into the device. D[8:0] and D[35:18] will remain unaltered.

 

 

H

 

 

 

 

L

 

 

H

 

 

 

H

 

-

L-H

During the Data portion of a Write sequence, only the byte (D[17:9]) is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

written into the device. D[8:0] and D[35:18] will remain unaltered.

 

 

H

 

 

 

 

H

 

 

L

 

 

 

H

 

L-H

-

 

During the Data portion of a Write sequence, only the byte (D[26:18]) is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

written into the device. D[17:0] and D[35:27] will remain unaltered.

 

 

H

 

 

 

 

H

 

 

L

 

 

 

H

 

-

L-H

During the Data portion of a Write sequence, only the byte (D[26:18]) is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

written into the device. D[17:0] and D[35:27] will remain unaltered.

 

 

H

 

 

 

 

H

 

 

H

 

 

 

L

 

L-H

-

 

During the Data portion of a Write sequence, only the byte (D[35:27]) is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

written into the device. D[26:0] will remain unaltered.

 

 

H

 

 

 

 

H

 

 

H

 

 

 

L

 

-

L-H

During the Data portion of a Write sequence, only the byte (D[35:27]) is

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

written into the device. D[26:0] will remain unaltered.

 

 

H

 

 

 

 

H

 

 

H

 

 

 

H

 

L-H

-

 

No data is written into the device during this portion of a Write operation.

 

 

H

 

 

 

 

H

 

 

H

 

 

 

H

 

-

L-H

No data is written into the device during this portion of a Write operation.

Note:

8.Assumes a Write cycle was initiated per the Write Port Cycle Description Truth Table. BWS0, BWS1, in the case of CY7C1303BV25 and also BWS2 and BWS3 in the case of CY7C1306BV25 can be altered on different portions of a write cycle, as long as the set-up and hold requirements are achieved. 38-05627

Document #: 38-05627 Rev. *A

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Contents CY7C1303BV25 1M x CY7C1306BV25 512K x FeaturesConfigurations Functional DescriptionCY7C1303BV25-167 Unit Logic Block Diagram CY7C1303BV25Logic Block Diagram CY7C1306BV25 Selection GuideCY7C1306BV25 512K x Pin Configuration Ball Fbga 13 x 15 x 1.4 mm PinoutPin Definitions Introduction Programmable Impedance Application Example1Concurrent Transactions Depth ExpansionWrite Descriptions CY7C1306BV25 2 Write Descriptions CY7C1303BV25 2Comments Ieee 1149.1 Serial Boundary Scan Jtag Sample Z EXIT2-IR UPDATE-DR UPDATE-IR TAP Controller State Diagram9TAP AC Switching Characteristics Over the Operating Range11 TAP Controller Block DiagramIdentification Register Definitions TAP Timing and Test Conditions12Parameter Description Min Max Unit Output Times Instruction Code Description Scan Register SizesInstruction Codes Register Name Bit SizeBit # Bump ID Boundary Scan OrderOperating Range Maximum RatingsThermal Resistance Parameter Description Test Conditions Switching Characteristics Over the Operating RangeCapacitance AC Test Loads and WaveformsWrite Read NOP Switching Waveforms25, 26CY7C1306BV25-167BZI CY7C1303BV25-167BZXI Package DiagramOrdering Information CY7C1306BV25-167BZC CY7C1303BV25-167BZXCNXR Issue Date Orig. Description of ChangeDocument History SYT