參數(shù)資料
型號: GS88237AB-225I
廠商: GSI TECHNOLOGY
元件分類: SRAM
英文描述: 256K x 36 9Mb Synchronous Burst SRAMs
中文描述: 256K X 36 CACHE SRAM, 2.2 ns, PBGA119
封裝: PLASTIC, BGA-119
文件頁數(shù): 22/28頁
文件大?。?/td> 743K
代理商: GS88237AB-225I
GS88237AB-250/225/200/166/150/133
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.
Rev: 1.02 11/2004
3/28
2002, GSI Technology
GS88237A BGA Pin Description
Symbol
Type
Description
A0, A1
I
Address field LSBs and Address Counter Preset Inputs
An
I
Address Inputs
DQA
DQB
DQC
DQD
I/O
Data Input and Output pins
BA, BB, BC, BD
I
Byte Write Enable for DQA, DQB, DQC, DQD I/Os; active low (x36 Version)
NC
No Connect
CK
I
Clock Input Signal; active high
BW
I
Byte Write—Writes all enabled bytes; active low
GW
I
Global Write Enable—Writes all bytes; active low
E1
I
Chip Enable; active low
G
I
Output Enable; active low
ADV
I
Burst address counter advance enable; active low
ADSP, ADSC
I
Address Strobe (Processor, Cache Controller); active low
ZZ
I
Sleep Mode control; active high
LBO
I
Linear Burst Order mode; active low
SCD
I
Single Cycle Deselect/Dual Cycle Deselect Mode Control
PE
I
Parity Bit Enable; active low (High = x16/32 Mode, Low = x18/36 Mode)
ZQ
I
FLXDrive Output Impedance Control
(Low = Low Impedance [High Drive], High = High Impedance [Low Drive])
TMS
I
Scan Test Mode Select
TDI
I
Scan Test Data In
TDO
O
Scan Test Data Out
TCK
I
Scan Test Clock
VDD
I
Core power supply
VSS
I
I/O and Core Ground
VDDQ
I
Output driver power supply
VDDQ/DNU
VDDQ or VDD (must be tied high)
or
Do Not Use (must be left floating)
相關(guān)PDF資料
PDF描述
GS88237AB-250 256K x 36 9Mb Synchronous Burst SRAMs
GS88237AB 256K x 36 9Mb Synchronous Burst SRAMs
GS88237BB-250V 256K x 36 9Mb SCD/DCD Sync Burst SRAM
GS88237BD-200IV 256K x 36 9Mb SCD/DCD Sync Burst SRAM
GS88237BD-200V 256K x 36 9Mb SCD/DCD Sync Burst SRAM
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