参数资料
型号: AT26DF321-SU
厂商: Atmel
文件页数: 27/34页
文件大小: 0K
描述: IC FLASH 32MBIT 66MHZ 8SOIC
标准包装: 95
格式 - 存储器: 闪存
存储器类型: DataFLASH
存储容量: 32M(16384 页 x 256 字节)
速度: 66MHz
接口: SPI 3 线串行
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.209",5.30mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
AT26DF321
12.4
AC Characteristics
Symbol
Parameter
Min
Max
Units
f SCK
f RDLF
t SCKH
t SCKL
t SCKR (1)
t SCKF (1)
t CSH
t CSLS
t CSLH
t CSHS
t CSHH
t DS
t DH
t DIS (1)
t V
t OH
t WPS (1)(2)
Serial Clock (SCK) Frequency
SCK Frequency for Read Array (Low Frequency – 03h opcode)
SCK High Time
SCK Low Time
SCK Rise Time, Peak-to-Peak (Slew Rate)
SCK Fall Time, Peak-to-Peak (Slew Rate)
Chip Select High Time
Chip Select Low Setup Time (relative to SCK)
Chip Select Low Hold Time (relative to SCK)
Chip Select High Setup Time (relative to SCK)
Chip Select High Hold Time (relative to SCK)
Data In Setup Time
Data In Hold Time
Output Disable Time
Output Valid Time
Output Hold Time
Write Protect Setup Time
6.8
6.8
0.1
0.1
50
5
5
5
5
2
3
0
20
66
33
6
6
MHz
MHz
ns
ns
V/ns
V/ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
t WPH
(1)(2)
Write Protect Hold Time
100
ns
t SECP
(1)
Sector Protect Time (from Chip Select High)
20
ns
t SECUP (1)
t EDPD (1)
Sector Unprotect Time (from Chip Select High)
Chip Select High to Deep Power-Down
20
3
ns
μs
t RDPD
(1)
Chip Select High to Standby Mode
3
μs
Notes:
12.5
1. Not 100% tested (value guaranteed by design and characterization).
2. Only applicable as a constraint for the Write Status Register command when SPRL = 1.
Program and Erase Characteristics
Symbol
t PP
t BP
Parameter
Page Program Time (256 Bytes)
Byte Program Time
Min
Typ
1.5
6
Max
5.0
Units
ms
μs
4-Kbyte
50
200
t BLKE
Block Erase Time
32-Kbyte
350
600
ms
64-Kbyte
600
950
t CHPE (1)
Chip Erase Time
36
56
sec
t WRSR
(1)
Write Status Register Time
200
ns
Notes:
1. Not 100% tested (value guaranteed by design and characterization).
27
3633F–DFLASH–5/7/08
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