参数资料
型号: V54C3256404VHUI6I
厂商: PROMOS TECHNOLOGIES INC
元件分类: DRAM
英文描述: 64M X 4 SYNCHRONOUS DRAM, 5.4 ns, PDSO54
封装: 0.400 INCH, GREEN, PLASTIC, TSOP2-54
文件页数: 46/56页
文件大小: 935K
代理商: V54C3256404VHUI6I
50
V54C3256(16/80/40)4VH Rev. 1.1 July 2010
ProMOS TECHNOLOGIES
V54C3256(16/80/40)4VH
Complete List of Operation Commands
SDRAM Function Truth Table
CURRENT
STATE1
CS
RAS
CAS
WE
BS
Addr
ACTION
Idle
H
L
X
H
L
X
H
L
H
L
X
H
L
X
H
L
H
L
X
BS
X
Op-
X
RA
AP
X
Code
NOP or Power Down
NOP
ILLEGAL2
Row (&Bank) Active; Latch Row Address
NOP4
Auto-Refresh or Self-Refresh5
Mode reg. Access5
Row Active
H
L
X
H
L
X
H
L
H
L
X
H
L
H
L
X
BS
X
CA,AP
X
AP
X
NOP
Begin Read; Latch CA; DetermineAP
Begin Write; Latch CA; DetermineAP
ILLEGAL2
Precharge
ILLEGAL
Read
H
L
X
H
L
X
H
L
H
L
X
H
L
H
L
H
L
X
BS
X
CA,AP
X
AP
X
NOP (Continue Burst to End;>Row Active)
Burst Stop Command > Row Active
Term Burst, New Read, DetermineAP3
Term Burst, Start Write, DetermineAP3
ILLEGAL2
Term Burst, Precharge
ILLEGAL
Write
H
L
X
H
L
X
H
L
H
L
X
H
L
H
L
H
L
X
BS
X
CA,AP
X
AP
X
NOP (Continue Burst to End;>Row Active)
Burst Stop Command > Row Active
Term Burst, Start Read, DetermineAP3
Term Burst, New Write, DetermineAP3
ILLEGAL2
Term Burst, Precharge3
ILLEGAL
Read
with
Auto
Precharge
H
L
X
H
L
X
H
L
H
L
X
H
L
H
L
H
L
X
BS
X
BS
X
AP
X
NOP (Continue Burst to End;> Precharge)
ILLEGAL2
ILLEGAL
ILLEGAL2
ILLEGAL
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相关代理商/技术参数
参数描述
V54C3256404VS 制造商:MOSEL 制造商全称:MOSEL 功能描述:256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
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V54C3256804VAB 制造商:MOSEL 制造商全称:MOSEL 功能描述:256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
V54C3256804VAT 制造商:MOSEL 制造商全称:MOSEL 功能描述:256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4
V54C3256804VB 制造商:MOSEL 制造商全称:MOSEL 功能描述:256Mbit SDRAM 3.3 VOLT, TSOP II / SOC BGA / WBGA PACKAGE 16M X 16, 32M X 8, 64M X 4