参数资料
| 型号： | AT27C040-70PU |
| 厂商： | Atmel |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC OTP 4MBIT 70NS 32DIP |
| 标准包装： | 12 |
| 格式 - 存储器： | EPROMs |
| 存储器类型： | EPROM OTP |
| 存储容量： | 4M (512K x 8) |
| 速度： | 70ns |
| 接口： | 并联 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 32-DIP（0.600"，15.24mm） |
| 供应商设备封装： | 32-DIP |
| 包装： | 管件 |
| 产品目录页面： | 1458 (CN2011-ZH PDF) |
2.
Pin Configurations and Pinouts
Pin
Name
Function
32-lead PLCC
Top view
32-lead PDIP
Top view
V PP
A 0 - A 18
Peak to Peak Voltage
Address Inputs
V PP
A 16
1
2
32
31
V CC
A 18
O 0 - O 7
GND
CE
OE
V CC
Outputs
Ground
Chip Enable
Output Enable
Device Power Supply
A 7
A 6
A 5
A 4
A 3
A 2
A 1
A 0
O 0
5
6
7
8
9
10
11
12
13
29
28
27
26
25
24
23
22
21
A 14
A 13
A 8
A 9
A 11
OE
A 1 0
CE
O 7
A 15
A 12
A 7
A 6
A 5
A 4
A 3
A 2
A 1
3
4
5
6
7
8
9
10
11
30
29
28
27
26
25
24
23
22
A 17
A 14
A 13
A 8
A 9
A 11
OE
A 1 0
CE
3.
Switching Considerations
A 0
O 0
O 1
O 2
GND
12
13
14
15
16
21
20
19
18
17
O 7
O 6
O 5
O 4
O 3
Switching between active and standby conditions via the Chip Enable (CE) pin may produce transient voltage
excursions. Unless accommodated by the system design, these transients may exceed datasheet limits, resulting in
device nonconformance. At a minimum, a 0.1 μ F, high-frequency, low inherent inductance, ceramic capacitor should be
utilized for each device. This capacitor should be connected between the V CC and ground terminals of the device — as
close to the device as possible. Additionally, to stabilize the supply voltage level on printed circuit boards with large
EPROM arrays, a 4.7 μ F bulk electrolytic capacitor should be utilized, again connected between the V CC and ground
terminals. This capacitor should be positioned as close as possible to the point where the power supply is connected to
the array.
4.
Block Diagram
V CC
GND
V PP
Data Outputs
O 0 – O 7
OE
CE
A 0 – A 18
Address
Inputs
OE, CE, and
Program Logic
Y Decoder
X Decoder
Output
Buffers
Y-Gating
Cell Matrix
Identification
Atmel AT27C040 [DATASHEET]
0189J–EPROM–10/2012
2
相关PDF资料 |
PDF描述 |
|---|---|
| AT27C040-70JU | IC OTP 4MBIT 70NS 32PLCC |
| GSC65DRYS | CONN EDGECARD 130PS DIP .100 SLD |
| GMC65DRYS | CONN EDGECARD 130PS DIP .100 SLD |
| GMC60DRXI | CONN EDGECARD 120PS DIP .100 SLD |
| ACC43DRYN | CONN EDGECARD 86POS .100 DIP SLD |
相关代理商/技术参数 |
参数描述 |
|---|---|
| AT27C040-70RC | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-Megabit 512K x 8 OTP EPROM |
| AT27C040-70RI | 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-Megabit 512K x 8 OTP EPROM |
| AT27C040-70TC | 功能描述:可擦除可编程ROM 4M bit RoHS:否 制造商:Maxim Integrated 类型: 存储容量:1024 bit 组织:1 K x 1 接口类型: 工作电流:5 uA 编程电压: 工作电源电压:2.8 V to 6 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:TO-92 |
| AT27C040-70TI | 功能描述:可擦除可编程ROM 4Mb (512Kx8) OTP 5V 70ns RoHS:否 制造商:Maxim Integrated 类型: 存储容量:1024 bit 组织:1 K x 1 接口类型: 工作电流:5 uA 编程电压: 工作电源电压:2.8 V to 6 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:TO-92 |
| AT27C040-70TU | 功能描述:可擦除可编程ROM 4Mb (512Kx8) OTP 5V 70ns RoHS:否 制造商:Maxim Integrated 类型: 存储容量:1024 bit 组织:1 K x 1 接口类型: 工作电流:5 uA 编程电压: 工作电源电压:2.8 V to 6 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:TO-92 |
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