- 您现在的位置：买卖IC网 > Datasheet目录344 > MR25H40CDF (Everspin Technologies Inc)IC MRAM 4MBIT 40MHZ 8DFN Datasheet资料下载
参数资料
| 型号： | MR25H40CDF |
| 厂商： | Everspin Technologies Inc |
| 文件页数： | 3/19页 |
| 文件大小： | 0K |
| 描述： | IC MRAM 4MBIT 40MHZ 8DFN |
| 标准包装： | 490 |
| 格式 - 存储器： | RAM |
| 存储器类型： | MRAM（磁阻 RAM） |
| 存储容量： | 4M (512K x 8) |
| 速度： | 40MHz |
| 接口： | SPI 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-VDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN-EP，小标志 (5x6) |
| 包装： | 托盘 |
| 其它名称： | 819-1040 |
DEVICE PIN ASSIGNMENT
Figure 1.2 Pin Diagrams (Top View)
MR25H40
CS
SO
WP
V SS
1
2
3
4
8
7
6
5
V DD
HOLD
SCK
SI
8-Pin DFN or 8-Pin DFN Small Flag
Table 1.1 Pin Functions
Signal Name Pin
I/O
Function
Description
CS
SO
WP
V SS
SI
SCK
HOLD
V DD
1
2
3
4
5
6
7
8
Input
Output
Input
Supply
Input
Input
Input
Supply
Chip Select
Serial Output
Write Protect
Ground
Serial Input
Serial Clock
Hold
Power Supply
An active low chip select for the serial MRAM. When chip select is high, the
memory is powered down to minimize standby power, inputs are ignored
and the serial output pin is Hi-Z. Multiple serial memories can share a com-
mon set of data pins by using a unique chip select for each memory.
The data output pin is driven during a read operation and remains Hi-Z at
all other times. SO is Hi-Z when HOLD is low. Data transitions on the data
output occur on the falling edge of SCK.
A low on the write protect input prevents write operations to the Status
Register.
Power supply ground pin.
All data is input to the device through this pin. This pin is sampled on the
rising edge of SCK and ignored at other times. SI can be tied to SO to create
a single bidirectional data bus if desired.
Synchronizes the operation of the MRAM. The clock can operate up to 40
MHz to shift commands, address, and data into the memory. Inputs are
captured on the rising edge of clock. Data outputs from the MRAM occur
on the falling edge of clock. The serial MRAM supports both SPI Mode 0
(CPOL=0, CPHA=0) and Mode 3 (CPOL=1, CPHA=1). In Mode 0, the clock is
normally low. In Mode 3, the clock is normally high. Memory operation is
static so the clock can be stopped at any time.
A low on the Hold pin interrupts a memory operation for another task.
When HOLD is low, the current operation is suspended. The device will
ignore transitions on the CS and SCK when HOLD is low. All transitions of
HOLD must occur while CS is low.
Power supply voltage from +3.0 to +3.6 volts.
Everspin Technologies ? 2011
3
MR25H40 Rev. 5, 11/2011
相关PDF资料 |
PDF描述 |
|---|---|
| MR2A08AMYS35R | IC MRAM 4MBIT 35NS 44TSOP |
| MR2A16ATS35CR | IC MRAM 4MBIT 35NS 44TSOP |
| MR2A16AVMA35R | IC MRAM 4MBIT 35NS 48BGA |
| MR4A08BCYS35R | IC MRAM 16MBIT 35NS 44TSOP |
| MRJ-5385-01 | CONN RCPT 8POS 2GRN 1PORT PCB |
相关代理商/技术参数 |
参数描述 |
|---|---|
| MR25H40CDFR | 功能描述:NVRAM 4Mb 3.3V 512Kx8 SPI RoHS:否 制造商:Maxim Integrated 数据总线宽度:8 bit 存储容量:1024 Kbit 组织:128 K x 8 接口类型:Parallel 访问时间:70 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 工作电流:85 mA 最大工作温度:+ 70 C 最小工作温度:0 C 封装 / 箱体:EDIP 封装:Tube |
| MR25H40MDC | 功能描述:NVRAM RoHS:否 制造商:Maxim Integrated 数据总线宽度:8 bit 存储容量:1024 Kbit 组织:128 K x 8 接口类型:Parallel 访问时间:70 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 工作电流:85 mA 最大工作温度:+ 70 C 最小工作温度:0 C 封装 / 箱体:EDIP 封装:Tube |
| MR25H40MDCR | 功能描述:NVRAM RoHS:否 制造商:Maxim Integrated 数据总线宽度:8 bit 存储容量:1024 Kbit 组织:128 K x 8 接口类型:Parallel 访问时间:70 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 工作电流:85 mA 最大工作温度:+ 70 C 最小工作温度:0 C 封装 / 箱体:EDIP 封装:Tube |
| MR25H40MDF | 功能描述:NVRAM 4Mb 3.3V 512Kx8 SPI Pre-Qual Sample MRAM RoHS:否 制造商:Maxim Integrated 数据总线宽度:8 bit 存储容量:1024 Kbit 组织:128 K x 8 接口类型:Parallel 访问时间:70 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 工作电流:85 mA 最大工作温度:+ 70 C 最小工作温度:0 C 封装 / 箱体:EDIP 封装:Tube |
| MR25H40MDFR | 功能描述:NVRAM 4Mb 3.3V 512Kx8 SPI Pre-Qual Sample MRAM RoHS:否 制造商:Maxim Integrated 数据总线宽度:8 bit 存储容量:1024 Kbit 组织:128 K x 8 接口类型:Parallel 访问时间:70 ns 电源电压-最大:5.5 V 电源电压-最小:4.5 V 工作电流:85 mA 最大工作温度:+ 70 C 最小工作温度:0 C 封装 / 箱体:EDIP 封装:Tube |
发布紧急采购，3分钟左右您将得到回复。