CY7C1648KV18 datasheet(9/29 Pages) CYPRESS

Nome de Peças	CY7C1648KV18

Descrição Electrónicos	144-Mbit DDR II SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency)

Download	29 Pages

Scroll/Zoom	100%

Fabricante Electrônico	CYPRESS [Cypress Semiconductor]

Página de início	http://www.cypress.com

Logo

9 / 29 page

Document Number: 001-44061 Rev. *L

Page 9 of 29

CY7C1648KV18

CY7C1650KV18

Write Cycle Descriptions

The write cycle description table for CY7C1650KV18 follows. [10, 11]

BWS0 BWS1 BWS2 BWS3

K

Comments

L

L–H

–

During the data portion of a write sequence, all four bytes (D[35:0]) are written into

the device.

L

–

L–H During the data portion of a write sequence, all four bytes (D[35:0]) 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[35:9] 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[35:9] remains unaltered.

H

L

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] remains unaltered.

H

L

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] remains unaltered.

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] remains unaltered.

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] remains unaltered.

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] remains unaltered.

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] remains unaltered.

H

L–H

–

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

H

–

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

Notes

10. X = “Don’t Care,” H = Logic HIGH, L = Logic LOW,



represents rising edge.

11. Is based on a write cycle that was initiated in accordance with the Truth Table on page 8. BWS0, BWS1, BWS2, and BWS3 can be altered on different portions of a

write cycle, as long as the setup and hold requirements are achieved.

Nº de peça semelhante - CY7C1648KV18

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Cypress Semiconductor	CY7C1648KV18-400BZXC	857Kb / 30P	144-Mbit DDR II SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency)
Cypress Semiconductor	CY7C1648KV18	857Kb / 30P	144-Mbit DDR II SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency)

More results

Descrição semelhante - CY7C1648KV18

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Cypress Semiconductor	CY7C1648KV18	857Kb / 30P	144-Mbit DDR II SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1668KV18	771Kb / 30P	144-Mbit DDR II SRAM Two-Word Burst Architecture (2.5 Cycle Read Latency)
	CY7C1548KV18	844Kb / 29P	72-Mbit DDR II SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C2670KV18	824Kb / 30P	144-Mbit DDR II SRAM Two-Word Burst Architecture (2.5 Cycle Read Latency) with ODT
Renesas Technology Corp	R1QHA4436RBG	916Kb / 30P	144-Mbit DDR?줚I SRAM 2-word Burst Architecture (2.0 Cycle Read latency)
Cypress Semiconductor	CY7C2644KV18	840Kb / 30P	144-Mbit QDR짰 II SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency) with ODT
	CY7C1643KV18	861Kb / 31P	144-Mbit QDR짰 II SRAM Four-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C2642KV18	885Kb / 30P	144-Mbit QDR짰 II SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency) with ODT
	CY7C1166KV18	874Kb / 29P	18-Mbit DDR II SRAM Two-Word Burst Architecture (2.5 Cycle Read Latency)
	CY7C1546KV18	959Kb / 31P	72-Mbit DDR II SRAM 2-Word Burst Architecture (2.0 Cycle Read Latency)

More results

CY7C1648KV18 Folha de dados(PDF) 9 Page - Cypress Semiconductor

CY7C1648KV18 Folha de dados(HTML) 9 Page - Cypress Semiconductor

Nº de peça semelhante - CY7C1648KV18

Descrição semelhante - CY7C1648KV18

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29

Folha de dados Download

Ligação URL