參數(shù)資料
型號： AS9C25512M2018L
廠商： Alliance Semiconductor Corporation
英文描述： 2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
中文描述： 2.5V的512/256K × 18同步雙與3.3V或2.5V接口端口靜態(tài)存儲器
文件頁數(shù)： 19/30頁
文件大小： 1100K
代理商： AS9C25512M2018L
AS9C25512M2018L
AS9C25256M2018L
9/24/04, v.1.2
Alliance Semiconductor
P. 19 of 30
Collision timing waveform
[2]
Notes:
1. Parameters t
CYC
,t
CH
and t
CL
are different in Flow-through and Pipeline mode of operation and can be different for different ports (Refer AC Timing characteristics).
2. Chip Selected (CE0 = L and CE1 =H). True for both ports.
3. Address indicated is the Internal Address used and is dependent on the Address counter control inputs for that cycle.
4. “Am” refers to matched address. “Aa” and “Ab” refer to any other valid address.
5. During address collision the data validity is guaranteed only if t
CCO
is greater than the minimum specified (Refer AC timing characteristics).
CLK
A
ADDRESS
A[3]
R/W
A
Am
Aa
Am
Aa
Aa
Am
Aa
Am
Am
Am
Am
Aa
COL
A
CLK
B
ADDRESS
B[3]
R/W
B
Am
Ab
Am
Ab
Ab
Am
Ab
Am
Am
Am
Am
Ab
COL
B
t
CH[1]
t
CYC[1]
t
CL[1]
t
WS
t
WH
t
AS
t
AH
t
CH[1]
t
CL[1]
t
CYC[1]
t
AS
t
AH
t
WS
t
WH
t
CCO
t
SCOL
t
RCOL
t
SCOL
t
RCOL
Don’t care
[5]
[4]
[4]
相關(guān)PDF資料
PDF描述
AS9C25512M2018L-200TI 2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
AS9C25512M2018L-250BC 2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
AS9C25512M2018L-250BI 2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
AS9C25512M2018L-250FC 2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
AS9C25512M2018L-250FI 2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AS9C25512M2018L-133BC 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
AS9C25512M2018L-133BI 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
AS9C25512M2018L-133FC 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
AS9C25512M2018L-133FI 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
AS9C25512M2018L-133TC 制造商:ALSC 制造商全稱:Alliance Semiconductor Corporation 功能描述:2.5V 512/256K x 18 Synchronous Dual-port SRAM with 3.3V or 2.5V interface
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