CY7C1541KV18 datasheet(7/27 Pages) CYPRESS

Nome de Peças	CY7C1541KV18

Descrição Electrónicos	72-Mbit QDR짰II SRAM 4-Word BurstArchitecture (2.0 Cycle Read Latency)

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Fabricante Electrônico	CYPRESS [Cypress Semiconductor]

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

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7 / 27 page

CY7C1541KV18, CY7C1556KV18

CY7C1543KV18, CY7C1545KV18

Document Number: 001-15700 Rev. *F

Page 7 of 27

ZQ

Input

Output Impedance Matching Input. This input is used to tune the device outputs to the system data

bus impedance. CQ, CQ, and Q[x:0] output impedance are set to 0.2 x RQ, where RQ is a resistor

connected between ZQ and ground. Alternatively, this pin can be connected directly to VDDQ, which

enables the minimum impedance mode. This pin cannot be connected directly to GND or left uncon-

nected.

DOFF

Input

PLL Turn Off

− Active LOW. Connecting this pin to ground turns off the PLL inside the device. The

timings in the PLL turned off operation differs from those listed in this data sheet. For normal operation,

this pin can be connected to a pull up through a 10 K

Ω or less pull up resistor. The device behaves in

QDR I mode when the PLL is turned off. In this mode, the device can be operated at a frequency of up

to 167 MHz with QDR I timing.

TDO

Output

TDO for JTAG

TCK

Input

TCK Pin for JTAG

TDI

Input

TDI Pin for JTAG

TMS

Input

TMS Pin for JTAG

NC

N/A

Not Connected to the Die. Can be tied to any voltage level.

NC/144M

N/A

Not Connected to the Die. Can be tied to any voltage level.

NC/288M

N/A

Not Connected to the Die. Can be tied to any voltage level.

VREF

Input-

Reference

Reference Voltage Input. Static input used to set the reference level for HSTL inputs, outputs, and AC

measurement points.

VDD

Power Supply Power Supply Inputs to the Core of the Device

VSS

Ground

Ground for the Device

VDDQ

Power Supply Power Supply Inputs for the Outputs of the Device

Pin Definitions (continued)

Pin Name

IO

Pin Description

[+] Feedback

Nº de peça semelhante - CY7C1541KV18

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Cypress Semiconductor	CY7C1541V18	1Mb / 28P	72-Mbit QDR??II SRAM 4-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1541V18	665Kb / 28P	72-Mbit QDR??II SRAM 4-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1541V18-300BZC	1Mb / 28P	72-Mbit QDR??II SRAM 4-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1541V18-300BZC	665Kb / 28P	72-Mbit QDR??II SRAM 4-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1541V18-300BZI	1Mb / 28P	72-Mbit QDR??II SRAM 4-Word Burst Architecture (2.0 Cycle Read Latency)

More results

Descrição semelhante - CY7C1541KV18

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Cypress Semiconductor	CY7C2540KV18	835Kb / 26P	72-Mbit QDR짰II SRAM 2-Word Burst Architecture (2.0 Cycle Read Latency) with ODT
	CY7C1541V18	1Mb / 28P	72-Mbit QDR??II SRAM 4-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1541V18	665Kb / 28P	72-Mbit QDR??II SRAM 4-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1546KV18	959Kb / 31P	72-Mbit DDR II SRAM 2-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1548KV18	844Kb / 29P	72-Mbit DDR II SRAM Two-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1546V18	1Mb / 27P	72-Mbit DDR-II SRAM 2-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1543KV18	869Kb / 29P	72-Mbit QDR짰 II SRAM Four-Word Burst Architecture (2.0 Cycle Read Latency)
	CY7C1561V18	676Kb / 28P	72-Mbit QDR??II SRAM 4-Word Burst Architecture (2.5 Cycle Read Latency)
	CY7C1561V18	1Mb / 28P	72-Mbit QDR??II SRAM 4-Word Burst Architecture (2.5 Cycle Read Latency)
	CY7C1561KV18	856Kb / 29P	72-Mbit QDR II SRAM 4-Word Burst Architecture (2.5 Cycle Read Latency)

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