参数资料
| 型号： | 25A512T-I/SN |
| 厂商： | Microchip Technology |
| 文件页数： | 1/34页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 512KBIT 10MHZ 8SOIC |
| 标准包装： | 3,300 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 512K (64K x 8) |
| 速度： | 10MHz |
| 接口： | SPI 3 线串行 |
| 电源电压： | 1.7 V ~ 3 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOICN |
| 包装： | 带卷 (TR) |
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25A512
512 Kbit SPI Bus Serial EEPROM
Device Selection Table
Part Number
25A512
V CC Range
1.7-3.0V
Page Size
128 Byte
Temp. Ranges
I
Packages
SN, ST
Features:
? 10 MHz max. Clock Speed
? Byte and Page-level Write Operations
- 128-byte page
- 5 ms max.
- No page or sector erase required
? Low-Power CMOS Technology
- Max. Write Current: 5 mA at 3.0V, 10 MHz
- Read Current: 10 mA at 3.0V, 10 MHz
- Standby Current: 1 ? A at 2.5V (Deep power-
down)
? Electronic Signature for Device ID
? Self-Timed Erase and Write cycles
- Page Erase (5 ms, typical)
- Sector Erase (10 ms/sector, typical)
- Bulk Erase (10 ms, typical)
? Sector Write Protection (16K byte/sector)
- Protect none, 1/4, 1/2 or all of array
? Built-In Write Protection
- Power-on/off data protection circuitry
- Write enable latch
- Write-protect pin
? High Reliability
- Endurance: 1 Million erase/write cycles
- Data Retention: >200 years
- ESD Protection: 4000V
? Temperature Ranges Supported;
Description:
The Microchip Technology Inc. 25A512 is a 512 Kbit
serial EEPROM memory with byte-level and page-level
serial EEPROM functions. It also features Page, Sector
and Chip erase functions typically associated with
Flash-based products. These functions are not required
for byte or page write operations. The memory is
accessed via a simple Serial Peripheral Interface (SPI)
compatible serial bus. The bus signals required are a
clock input (SCK) plus separate data in (SI) and data
out (SO) lines. Access to the device is controlled by a
Chip Select (CS) input.
Communication to the device can be paused via the
hold pin (HOLD). While the device is paused, transi-
tions on its inputs will be ignored, with the exception of
Chip Select, allowing the host to service higher priority
interrupts.
The 25A512 is available in standard packages includ-
ing 8-lead SOIC and TSSOP packages. All packages
are Pb-free and RoHS compliant.
Package Types (not to scale)
SOIC/TSSOP
(SN, ST)
- Industrial (I): -40°C to +85°C
? Pb-free and RoHS Compliant
Pin Function Table
CS
SO
WP
V SS
1
2
3
4
8
7
6
5
V CC
HOLD
SCK
SI
Name
CS
SO
WP
V SS
SI
SCK
HOLD
V CC
Function
Chip Select Input
Serial Data Output
Write-Protect
Ground
Serial Data Input
Serial Clock Input
Hold Input
Supply Voltage
? 2010-2011 Microchip Technology Inc.
Preliminary
DS22237C-page 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 25A512TIST | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:512 Kbit SPI Bus Serial EEPROM |
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