参数资料
型号: AT45DB321B-RC
厂商: Atmel
文件页数: 12/32页
文件大小: 0K
描述: IC FLASH 32MBIT 20MHZ 28SOIC
标准包装: 26
格式 - 存储器: 闪存
存储器类型: DataFLASH
存储容量: 32M(8192 页 x 528 字节)
速度: 20MHz
接口: SPI 3 线串行
电源电压: 2.7 V ~ 3.6 V
工作温度: 0°C ~ 70°C
封装/外壳: 28-SOIC(0.342",8.69mm 宽)
供应商设备封装: 28-SOIC W
包装: 管件
Absolute Maximum Ratings*
Temperature under Bias ................................ -55 ° C to +125 ° C
Storage Temperature ..................................... -65 ° C to +150 ° C
All Input Voltages
(including NC Pins)
with Respect to Ground ...................................-0.6V to +6.25V
All Output Voltages
*NOTICE:
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
with Respect to Ground .............................-0.6V to V CC + 0.6V
DC and AC Operating Range
AT45DB321B
Operating Temperature (Case)
V CC Power Supply (1)
Com.
Ind.
0 ° C to 70 ° C
-40 ° C to 85 ° C
2.7V to 3.6V
Note:
1. After power is applied and V CC is at the minimum specified datasheet value, the system should wait 20 ms before an opera-
tional mode is started.
DC Characteristics
Symbol
I SB
Parameter
Standby Current
Condition
CS, RESET, WP = V CC , all inputs
Min
Typ
2
Max
10
Units
μA
at CMOS levels
I CC1(1)
Active Current, Read
f = 20 MHz; I OUT = 0 mA;
4
10
mA
Operation
V CC = 3.6V
I CC2
Active Current,
V CC = 3.6V
15
35
mA
Program/Erase Operation
I LI
I LO
V IL
V IH
V OL
V OH
Input Load Current
Output Leakage Current
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
V IN = CMOS levels
V I/O = CMOS levels
I OL = 1.6 mA; V CC = 2.7V
I OH = -100 μA
2.0
V CC - 0.2V
1
1
0.6
0.4
μA
μA
V
V
V
V
Note:
12
1. I cc1 during a buffer read is 20mA maximum.
AT45DB321B
2223E–DFLASH–11//03
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