參數(shù)資料
型號: XE8801AMI027LF
廠商: Semtech
文件頁數(shù): 35/135頁
文件大?。?/td> 0K
描述: IC DAS 16BIT FLASH 8K MTP 44LQFP
標(biāo)準(zhǔn)包裝: 800
系列: XE880x
應(yīng)用: 感測機
核心處理器: Coolrisc816?
程序存儲器類型: 閃存(22 kB)
控制器系列: XE8000
RAM 容量: 512 x 8
接口: UART,USRT
輸入/輸出數(shù): 24
電源電壓: 2.4 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 44-VFQFN 裸露焊盤
包裝: 托盤
供應(yīng)商設(shè)備封裝: 44-MLPQ(7x7)
產(chǎn)品目錄頁面: 585 (CN2011-ZH PDF)
配用: XE8000MP-ND - PROG BOARD AND PROSTART2 CARD
Semtech 2005
www.semtech.com
2-3
XE8801A – SX8801R
All specifications in this document are valid for the complete operating range unless otherwise specified.
Table 2-4. Operating range of the Flash memory
Min.
Typ.
Note
Retention time at 85°C
10
years
1
Retention time at 55°C
100
years
1
Number of programming cycles for production
10
Number of programming cycles for development
200
2
1.
Valid only if programmed using a programming tool that is qualified
2.
Circuits can be programmed more than 10 times but in that case the retention time is no longer
guaranteed.
2.3
Supply configurations
2.3.1
Flash circuit
The flash version of the circuit can be run from a supply between 2.4V and 5.5V (Figure 2-1). The capacitor on
VREG has to be connected at all times (value in Table 2-2) to guarantee proper operation of the device. The
capacitor on VMULT is only required if the circuit is to be operated below 3V.
VBAT
VREG
VMULT
VSS
2.4V – 5.5V
Cvreg
Cvmult
Figure 2-1. Supply configuration for the flash circuit.
2.3.2
ROM circuit
For the ROM version, two possible operating modes exist: with and without voltage regulator. Using the voltage
regulator, low power consumption will be obtained even with supply voltages above 2.4V. Without the voltage
regulator (i.e. VREG short-circuited to VBAT), a higher speed can be obtained.
2.1.3.1
Low power operation
In this case, the internal voltage regulator is used in order to maintain a low power consumption independent from
the supply voltage. The capacitor on VREG has to be connected at all times (value in Table 2-3) to guarantee
proper operation of the device. The capacitor on VMULT has to be connected only when VBAT<3V.
Not
Recommended
for
New
Designs
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