5秒后页面跳转
捷配首页

Datasheet > 存储 > DRAM> AS4C256K16F0-25JI
AS4C256K16F0-25JI PDF预览

AS4C256K16F0-25JI

更新时间： 2024-02-25 03:38:13
品牌 Logo 应用领域
ALSC 动态存储器
页数 文件大小 规格书
25页 518K
描述
5V 256K X 16 CMOS DRAM (Fast Page Mode)

阅读下载

获取价格

AS4C256K16F0-25JI 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：TSOP2包装说明：TSOP2, TSOP40/44,.46,32
针数：44Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.32.00.02
风险等级：5.87Is Samacsys：N
访问模式：FAST PAGE最长访问时间：25 ns
其他特性：RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESHI/O 类型：COMMON
JESD-30 代码：R-PDSO-G40JESD-609代码：e0
长度：18.41 mm内存密度：4194304 bit
内存集成电路类型：FAST PAGE DRAM内存宽度：16
功能数量：1端口数量：1
端子数量：40字数：262144 words
字数代码：256000工作模式：ASYNCHRONOUS
最高工作温度：70 °C最低工作温度：
组织：256KX16输出特性：3-STATE
封装主体材料：PLASTIC/EPOXY封装代码：TSOP2
封装等效代码：TSOP40/44,.46,32封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE峰值回流温度（摄氏度）：240
电源：5 V认证状态：Not Qualified
刷新周期：512座面最大高度：1.2 mm
自我刷新：YES最大待机电流：0.0006 A
子类别：DRAMs最大压摆率：0.2 mA
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：4.5 V
标称供电电压 (Vsup)：5 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：0.8 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：10.16 mm
Base Number Matches：1

AS4C256K16F0-25JI 数据手册

 浏览型号AS4C256K16F0-25JI的Datasheet PDF文件第3页浏览型号AS4C256K16F0-25JI的Datasheet PDF文件第4页浏览型号AS4C256K16F0-25JI的Datasheet PDF文件第5页浏览型号AS4C256K16F0-25JI的Datasheet PDF文件第7页浏览型号AS4C256K16F0-25JI的Datasheet PDF文件第8页浏览型号AS4C256K16F0-25JI的Datasheet PDF文件第9页 
AS4C256K16FO  
®
Refresh cycle  
(V = 5V 10%, GND = 0V, T = 0° C to +70° C)  
CC a  
–25  
–30  
–35  
–50  
Standard  
Symbol  
Parameter  
Min  
10  
7
Max Min Max Min Max Min Max Unit  
Notes  
tCSR  
tCHR  
tRPC  
CAS setup time (CAS-before-RAS)  
CAS hold time (CAS-before-RAS)  
RAS precharge to CAS hold time  
–
–
–
10  
7
–
–
–
10  
8
–
–
–
10  
10  
0
–
–
–
ns  
ns  
ns  
3
3
0
0
0
CAS precharge time  
(CAS-before-RAS counter test)  
tCPT  
8
–
8
–
8
–
8
–
ns  
Output enable  
(V = 5V 10%, GND = 0V, T = 0° C to +70° C)  
CC a  
–25  
–30  
–35  
–50  
Standard  
Symbol  
Parameter  
Min Max Min Max Min Max Min Max Unit  
Notes  
tROH RAS hold time referenced to OE  
5
–
5
–
5
–
8
–
6
–
5
–
5
–
8
–
10  
–
5
–
5
–
8
–
10  
–
5
–
8
–
8
–
10  
–
ns  
ns  
ns  
ns  
ns  
tOEA  
tOED  
tOEZ  
tOEH  
OE access time  
OE to data delay  
Output buffer turnoff delay from OE  
OE command hold time  
8
8
8
8
–
–
–
Self refresh cycle  
(V = 5V 10%, GND = 0V, T = 0° C to +70° C)  
CC  
a
–25  
–30  
–35  
–50  
Standard  
Symbol  
Parameter  
Min  
Max Min Max Min Max Min Max Unit  
Notes  
tRASS RAS pulse width (CBR self refresh)  
100K  
RAS precharge time (CBR self refresh) 85  
–
–
–
100K  
85  
–
–
–
100K  
85  
–
–
–
100K  
85  
–
–
–
ns  
ns  
ns  
tRPS  
tCHS CAS hold time (CBR self refresh)  
30  
30  
30  
30  
Notes  
1
2
3
I
, I , I , and I  
depend on cycle rate.  
CC6  
CC1 CC3 CC4  
I
and I  
depend on output loading. Specified values are obtained with the output open.  
CC4  
CC1  
An initial pause of 200 µs is required after power-up followed by any 8 RAS cycles before proper device operation is achieved. In the case of an internal  
refresh counter, a minimum of 8 CAS-before-RAS initialization cycles instead of 8 RAS cycles are required. 8 initialization cycles are required after extended  
periods of bias without clocks (greater than 8 ms).  
4
AC characteristics assume t = 5 ns. All AC parameters are measured with a load equivalent to two TTL loads and 100 pF, V (min) ≥ GND and V (max) ≤  
T IL IH  
V
V
.
CC  
5
6
(min) and V (max) are reference levels for measuring timing of input signals. Transition times are measured between V and V .  
IL IH IL  
IH  
Operation within the t  
(max) limit insures that t  
(max) can be met. t  
(max) is specified as a reference point only. If t  
is greater than the speci-  
RCD  
RAC  
RCD  
RCD  
fied t  
(max) limit, then access time is controlled exclusively by t  
.
RCD  
CAC  
7
Operation within the t  
(max) limit insures that t  
(max) can be met. t  
RAC  
(max) is specified as a reference point only. If t  
is greater than the speci-  
RAD  
RAD  
RAD  
fied t  
(max) limit, then access time is controlled exclusively by t .  
AA  
RAD  
8
Assumes three state test load (5 pF and a 380 Ω Thevenin equivalent).  
Either t or t must be satisfied for a read cycle.  
9
RCH  
RRH  
10  
11  
t
t
t
(max) defines the time at which the output achieves the open circuit condition; it is not referenced to output voltage levels.  
OFF  
, t  
, t  
, t  
and t  
are not restrictive operating parameters. They are included in the datasheet as electrical characteristics only. If t  
≥
WS  
WCS WCH RWD CWD  
AWD  
(min) and t  
≥ t  
(min), the cycle is an early write cycle and data out pins will remain open circuit, high impedance, throughout the cycle. If t  
WS  
WH  
W
H
R
W
D
≥ t  
(min), t  
≥ t  
(min) and t  
≥ t  
(min), the cycle is a read-write cycle and the data out will contain data read from the selected cell. If  
AWD  
RWD  
CWD  
CWD  
AWD  
neither of the above conditions is satisfied, the condition of the data out at access time is indeterminate.  
12 These parameters are referenced to CAS leading edge in early write cycles and to WE leading edge in read-write cycles.  
13 Access time is determined by the longest of t or t or t  
.
CAP  
CAA  
CAC  
14  
t
≥ t to achieve t (min) and t  
(max) values.  
CAP  
ASC  
CP  
PC  
15 These parameters are sampled, but not 100% tested.  
4/11/01; V.0.9.1  
Alliance Semiconductor  
P. 6 of 25  
1...3456789...25

下载PDF

与AS4C256K16F0-25JI相关器件

型号 品牌 描述 获取价格 数据表
AS4C256K16F0-25TC ALSC 5V 256K X 16 CMOS DRAM (Fast Page Mode)

获取价格
AS4C256K16F0-25TI ALSC 5V 256K X 16 CMOS DRAM (Fast Page Mode)

获取价格
AS4C256K16F0-30JC ALSC 5V 256K X 16 CMOS DRAM (Fast Page Mode)

获取价格
AS4C256K16F0-30JI ALSC 5V 256K X 16 CMOS DRAM (Fast Page Mode)

获取价格
AS4C256K16F0-30TC ALSC 5V 256K X 16 CMOS DRAM (Fast Page Mode)

获取价格
AS4C256K16F0-30TI ALSC 5V 256K X 16 CMOS DRAM (Fast Page Mode)

获取价格

与AS4C256K16F0-25JI相关文章

您还可以找


热门产品
PCB打样/小批量
铝基板
BOM智能配单
PCBA制造
钣金
精密CNC
模具注塑
薄膜开关
精选活动
PCBA打样特惠
四六层板品质升级
铝基板品质升级
一体化电子制造
DFM下载
服务支持
企业认证
产品展示
工厂展示
工艺能力
积分商城
关于捷配
捷配简介
企业文化
公司动态
人才招聘
联系我们
帮助中心
下单流程
付款流程
开票流程
常见问题
全球PCB制造服务专线 400-613-0088

工作时间：9:00-21:00

CEO邮箱：ceo@jiepei.com

投诉邮箱：tousu@jiepei.com

捷配网-微信公众号 微信公众号
捷配网-微信公众号 抖音公众号
资质认证：
合作快递：
支付方式：
Copyright © 2024 Jiepei.com Inc. All Rights Reserved. 版权所有:杭州捷配信息科技有限公司 浙公网安备 33010502006866号 浙ICP备10014259号-119 营业执照ICP证