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AT27BV256-70JU-T PDF预览

AT27BV256-70JU-T

更新时间: 2024-02-19 01:11:53
品牌 Logo 应用领域
美国微芯 - MICROCHIP OTP只读存储器内存集成电路
页数 文件大小 规格书
12页 768K
描述
IC OTP 256KBIT 70NS 32PLCC

AT27BV256-70JU-T 技术参数

生命周期:Active包装说明:LCC-32
Reach Compliance Code:compliant风险等级:0.99
最长访问时间:70 ns其他特性:ALSO OPERATES AT 5V SUPPLY
JESD-30 代码:R-PQCC-J32长度:13.97 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:32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封装主体材料:PLASTIC/EPOXY
封装代码:QCCJ封装形状:RECTANGULAR
封装形式:CHIP CARRIER并行/串行:PARALLEL
座面最大高度:3.556 mm最大供电电压 (Vsup):3.6 V
最小供电电压 (Vsup):2.7 V标称供电电压 (Vsup):3 V
表面贴装:YES技术:CMOS
温度等级:INDUSTRIAL端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
宽度:11.43 mm

AT27BV256-70JU-T 数据手册

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Atmel AT27BV256  
Table 5-6.  
DC programming characterisitcs  
TA = 25 5°C, VCC = 6.5 0.25V, VPP = 13.0 0.25V  
Limits  
Symbol  
ILI  
Parameter  
Test conditions  
Min  
Max  
10  
Units  
µA  
V
Input load current  
VIN = VIL, VIH  
VIL  
Input low level  
-0.6  
2.0  
0.8  
VIH  
Input high level  
VCC + 0.5  
0.4  
V
VOL  
VOH  
ICC2  
IPP2  
VID  
Output low voltage  
Output high voltage  
VCC supply current (program and verify)  
VPP current  
IOL = 2.1mA  
V
IOH = -400µA  
2.4  
V
25  
25  
mA  
mA  
V
CE = VIL  
A9 product identification voltage  
11.5  
12.5  
Table 5-7.  
AC programming characteristics  
TA = 25 5°C, VCC = 6.5 0.25V, VPP = 13.0 0.25V  
Limits  
Symbol  
tAS  
Parameter  
Test conditions(1)  
Min  
2
Max  
Units  
µs  
Address setup time  
OE setup time  
tOES  
tDS  
2
µs  
Input rise and fall times:  
(10% to 90%) 20 ns  
Data setup time  
2
µs  
tAH  
Address hold time  
0
µs  
Input pulse levels:  
0.45V to 2.4V  
tDH  
Data hold time  
2
µs  
tDFP  
tVPS  
tVCS  
tPW  
OE high to output float delay(2)  
0
130  
ns  
Input timing reference level:  
0.8V to 2.0V  
VPP setup time  
2
µs  
VCC setup time  
2
µs  
CE program pulse width(3)  
Data valid from OE(2)  
VPP pulse rise time during programming  
95  
105  
150  
µs  
Output timing reference level:  
0.8V to 2.0V  
tOE  
ns  
tPRT  
50  
ns  
Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously with or after VPP.  
2. This parameter is only sampled, and is not 100% tested. Output float is defined as the point where data is no longer driven. See tim-  
ing diagram.  
3. Program pulse width tolerance is 100µsec 5%.  
Table 5-8.  
The Atmel AT27BV256 integrated product identification code(1)  
Pins  
Hex  
Codes  
A0  
0
O7  
0
O6  
0
O5  
0
O4  
1
O3  
1
O2  
1
O1  
1
O0  
0
data  
Manufacturer  
Device type  
Note:  
1E  
1
1
0
0
0
1
1
0
0
8C  
1. The Atmel AT27BV256 has the same product identification code as the Atmel AT27C256R and Atmel AT27LV256A. They are all  
programming compatible  
7
0601F–EPROM–4/11  

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