GS816273C 查看數據表（PDF） - Giga Semiconductor

零件编号

产品描述 (功能)

生产厂家

GS816273C

256K x 72 18Mb S/DCD Sync Burst SRAMs

Giga Semiconductor 

GS816273 BGA Pin Description

Symbol

BW

Type

I

ZQ

I

TMS

I

TDI

I

TDO

O

TCK

I

VDD

I

VSS

I

VDDQ

I

VDDQ/DNU

—

Preliminary

GS816273C-250/225/200/166/150/133

Description

Byte Enable; active low

FLXDrive Output Impedance Control

(Low = Low Impedance [High Drive], High = High Impedance [Low Drive])

Scan Test Mode Select

Scan Test Data In

Scan Test Data Out

Scan Test Clock

Core power supply

I/O and Core Ground

Output driver power supply

VDDQ or VDD (must be tied high)

or

Do Not Use (must be left floating)

Mode Pin Functions

Mode Name

Pin

Name

State

Function

Burst Order Control

L

LBO

H

Linear Burst

Interleaved Burst

Power Down Control

L or NC

ZZ

H

Active

Standby, IDD = ISB

Single/Dual Cycle Deselect Control

L

SCD

H or NC

Dual Cycle Deselect

Single Cycle Deselect

L

High Drive (Low Impedance)

FLXDrive Output Impedance Control ZQ

H or NC Low Drive (High Impedance)

Note:

Thereis a pull-down device on the ZZ pin, so this input pin can be unconnected and the chip will operate in the default states as specified in the

above tables.

Rev: 1.01 12/2002

4/25

© 2002, Giga Semiconductor, Inc.

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

Share Link: