M29W640GB-70NA6E 是一款IC FLASH 64M PARALLEL 48TSOP

其詳細屬性如下：

制造商:STMicroelectronics
產品種類:NOR閃存
RoHS: 無鉛環保
安裝風格:SMD/SMT
封裝 / 箱體:TSOP-48
系列:M29W
存儲容量:64 Mbit
接口類型:Parallel
組織:8 M x 8/4 M x 16
定時類型:Asynchronous
數據總線寬度:8 bit/16 bit
電源電壓-最小:2.7 V
電源電壓-最大:3.6 V
電源電流—最大值:10 mA
最小工作溫度:- 40 C
最大工作溫度:+ 85 C
封裝:Tray
存儲類型:NOR
速度:70 ns
結構:Block Erase
商標:STMicroelectronics
濕度敏感性:Yes
產品類型:NOR Flash
標準:Common Flash Interface (CFI)
工廠包裝數量:96
子類別:Memory & Data Storage

Supply Voltage
VCC = 2.7 to 3.6 V for Program/Erase/Read
VPP =12 V for Fast Program (optional)
Asynchronous Random/Page Read
Page Width: 4 words
Page Access: 25 ns
Random Access: 60 ns, 70 ns, 90 ns
Fast Program commands
2 word/4 byte Program (without VPP=12 V)
4 word/8 byte Program (with VPP=12 V)
16 word/32 byte Write Buffer
Programming time
10 μs per byte/word typical
Chip Program time: 10 s (4-word Program)
Memory organization
M29W640GH/L:
128 main blocks, 64 Kbytes each
M29W640GT/B
Eight 8 Kbytes Boot blocks (top or bottom)
127 Main blocks, 64 Kbytes each

針對單串低電壓鋰離子電池，TI推出了BQ2970低成本專用保護芯片。BQ2970提供針對鋰離子/鋰聚合物電池的保護功能，并且監控外部功率MOSFET，以便在高充放電電流時提供保護，包括過充保護、過放保護、充放電過流保護、短路檢測。在正常模式運行中消耗的電流只有4μA，減少了電池的電量消耗。

鋰離子電池的不當使用會產生爆炸等安全風險，鋰離子電池的保護對產品的安全性能有著至關重要的作用。

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