Figure 6-4. Programming Waveforms (1)
Read
Program
(Verify)
Address
V IH
V IL
Address Stable
t AS
t OE
t AH
Data
V IH
V IL
t DS
Data In
t DH
Data Out
Valid
t DFP
13.0V
V PP
5.0V
t PRT
t VPS
V CC
CE
6.5V
5.0V
V IH
V IL
t VCS
t PW
t OES
OE
Notes: 1.
2.
3.
Table 6-3.
V IH
V IL
The input timing reference is 0.8V for V IL and 2.0V for V IH .
t OE and t DFP are characteristics of the device, but must be accommodated by the programmer.
When programming the AT27C040, a 0.1 μ F capacitor is required across V PP and ground to suppress
spurious voltage transients.
DC Programming Characteristics
T A = 25 ± 5°C, V CC = 6.5 ± 0.25V, V PP = 13.0 ± 0.25V.
Limits
Symbol
Parameter
Test Conditions
Min
Max
Units
I LI
V IL
V IH
V OL
Input Load Current
Input Low Level
Input High Level
Output Low Voltage
V IN = V IL , V IH
I OL = 2.1mA
-0.6
2.0
? 10
0.8
V CC + 0.7
0.4
μ A
V
V
V
V OH
I CC2
Output High Voltage
V CC Supply Current (Program And Verify)
I OH = -400 μ A
2.4
40
V
mA
I PP2
V ID
V PP Supply Current
A 9 Product Identification Voltage
CE = V IL
11.5
20
12.5
mA
V
Atmel AT27C040 [DATASHEET]
0189J–EPROM–10/2012
6
相关PDF资料
AT27C080-90PU IC OTP 8MBIT 90NS 32DIP
AT27C1024-45PU IC OTP 1MBIT 45NS 40DIP
AT27C2048-55JU IC OTP 2MBIT 55NS 44PLCC
AT27C256R-45PU IC OTP 256KBIT 45NS 28DIP
AT27C4096-90PU IC OTP 4MBIT 90NS 40DIP
AT27C512R-45JU IC OTP 512KBIT 45NS 32PLCC
AT27C516-70JI IC OTP 512KBIT 70NS 44PLCC
AT27LV010A-70JU IC OTP 1MBIT 70NS 32PLCC
相关代理商/技术参数
AT27C040-90RC 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-Megabit 512K x 8 OTP EPROM
AT27C040-90RI 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:4-Megabit 512K x 8 OTP EPROM
AT27C040-90TC 功能描述:IC OTP 4MBIT 90NS 32TSOP RoHS:否 类别:集成电路 (IC) >> 存储器 系列:- 标准包装:32 系列:- 格式 - 存储器:闪存 存储器类型:FLASH 存储容量:1M (128K x 8) 速度:120ns 接口:并联 电源电压:2.7 V ~ 3.6 V 工作温度:0°C ~ 70°C 封装/外壳:32-LCC(J 形引线) 供应商设备封装:32-PLCC 包装:管件 其它名称:AT49BV00112JC
AT27C040-90TI 功能描述:可擦除可编程ROM 4Mb (512Kx8) OTP 5V 90ns 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
AT27C040-90TU 功能描述:可擦除可编程ROM 4Mb (512Kx8) OTP 5V 90ns 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-DWF 制造商:Atmel Corporation 功能描述:
AT27C080 制造商:ATMEL 制造商全称:ATMEL Corporation 功能描述:8-Megabit 1M x 8 UV Erasable CMOS EPROM
AT27C080 90PU 制造商:Atmel Corporation 功能描述: