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AT27C256R-55RIT/R PDF预览

AT27C256R-55RIT/R

更新时间: 2024-09-17 13:05:39
品牌 Logo 应用领域
爱特美尔 - ATMEL 可编程只读存储器电动程控只读存储器
页数 文件大小 规格书
9页 254K
描述
OTP ROM, 32KX8, 55ns, CMOS, PDSO28, 0.330 INCH, PLASTIC, SOIC-28

AT27C256R-55RIT/R 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.32.00.71风险等级:5.6
Is Samacsys:N最长访问时间:55 ns
JESD-30 代码:R-PDSO-G28长度:18.25 mm
内存密度:262144 bit内存集成电路类型:OTP ROM
内存宽度:8功能数量:1
端子数量:28字数:32768 words
字数代码:32000工作模式:ASYNCHRONOUS
最高工作温度:85 °C最低工作温度:-40 °C
组织:32KX8输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
并行/串行:PARALLEL认证状态:Not Qualified
座面最大高度:2.79 mm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:INDUSTRIAL端子形式:GULL WING
端子节距:1.27 mm端子位置:DUAL
宽度:8.74 mmBase Number Matches:1

AT27C256R-55RIT/R 数据手册

 浏览型号AT27C256R-55RIT/R的Datasheet PDF文件第1页浏览型号AT27C256R-55RIT/R的Datasheet PDF文件第2页浏览型号AT27C256R-55RIT/R的Datasheet PDF文件第3页浏览型号AT27C256R-55RIT/R的Datasheet PDF文件第5页浏览型号AT27C256R-55RIT/R的Datasheet PDF文件第6页浏览型号AT27C256R-55RIT/R的Datasheet PDF文件第7页 
DC and AC Operating Conditions for Read Operation  
AT27C256R  
-45  
-55  
-70  
-90  
-12  
-15  
Com. 0°C - 70°C  
0°C - 70°C  
0°C - 70°C  
0°C - 70°C  
0°C - 70°C  
0°C - 70°C  
Operating  
Temp. (Case)  
Ind. -40°C - 85°C -40°C - 85°C -40°C - 85°C -40°C - 85°C  
5V ± 10% 5V ± 10% 5V ± 10% 5V ± 10%  
-40°C - 85°C -40°C - 85°C  
V
Supply  
5V ± 10%  
5V ± 10%  
CC  
DC and Operating Characteristics for Read Operation  
Symbol Parameter  
Condition  
Min  
Max  
Units  
I
I
I
Input Load Current  
V
= 0V to V  
CC  
±1  
±5  
10  
100  
1
µA  
µA  
µA  
µA  
mA  
LI  
IN  
Output Leakage Current  
V
OUT  
= 0V to V  
CC  
LO  
PP1  
(2)  
(1)  
V
Read/Standby Current V = V  
PP CC  
PP  
I
I
(CMOS), CE = V ± 0.3V  
CC  
SB1  
SB2  
(1)  
I
V
Standby Current  
SB  
CC  
CC  
(TTL), CE = 2.0 to V + 0.5V  
CC  
f = 5 MHz, I  
CE = V  
= 0 mA,  
OUT  
I
V
Active Current  
20  
mA  
CC  
IL  
V
V
V
V
Input Low Voltage  
Input High Voltage  
Output Low Voltage  
Output High Voltage  
-0.6  
2.0  
0.8  
V
V
V
V
IL  
V
+ 0.5  
IH  
CC  
I
= 2.1 mA  
0.4  
OL  
OH  
OL  
I
= -400 µA  
2.4  
OH  
Notes: 1. VCC must be applied simultaneously or before VPP  
,
2. VPP may be connected directly to VCC, except during program-  
and removed simultaneously or after VPP  
.
ming. The supply current would then be the sum of ICC and IPP.  
AC Characteristics for Read Operation  
AT27C256R  
-45  
-55  
-70  
-90  
-12  
-15  
Min Max Min Max Min Max Min Max Min Max Min Max  
Symbol  
Parameter  
Condition  
Units  
150 ns  
150 ns  
Address to  
Output Delay  
CE = OE  
= VIL  
(3)  
t
45  
55  
70  
90  
120  
ACC  
(2)  
CE to Output Delay OE = VIL  
OE to Output Delay CE = VIL  
t
t
45  
20  
55  
25  
70  
30  
90  
30  
120  
35  
CE  
(2, 3)  
(4, 5)  
40  
35  
ns  
ns  
OE  
OE or CE High to  
Output Float, whichever occurred first  
t
t
20  
20  
25  
25  
30  
DF  
Output Hold from  
Address, CE or OE,  
whichever occurred first  
7
7
7
0
0
0
ns  
OH  
Notes:  
2, 3, 4, 5. - see AC Waveforms for Read Operation.  
3-128  
AT27C256R  

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