XE8801AMI027LF Semtech, XE8801AMI027LF Datasheet - Page 13
XE8801AMI027LF
Manufacturer Part Number
XE8801AMI027LF
Description
IC DAS 16BIT FLASH 8K MTP 44LQFP
Manufacturer
Semtech
Datasheet
1.XE8801AMI027LF.pdf
(135 pages)
Specifications of XE8801AMI027LF
Applications
Sensing Machine
Core Processor
RISC
Program Memory Type
FLASH (22 kB)
Controller Series
XE8000
Ram Size
512 x 8
Interface
UART, USRT
Number Of I /o
24
Voltage - Supply
2.4 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
44-LQFP
For Use With
XE8000MP - PROG BOARD AND PROSTART2 CARD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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All specifications in this document are valid for the complete operating range unless otherwise specified.
Table 2-4. Operating range of the Flash memory
Retention time at 85°C
Retention time at 55°C
Number of programming cycles for production
Number of programming cycles for development
2.3 Supply configurations
2.3.1
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.
Figure 2-1. Supply configuration for the flash circuit.
2.3.2
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
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.
© Semtech 2005
1.
2.
Valid only if programmed using a programming tool that is qualified
Circuits can be programmed more than 10 times but in that case the retention time is no longer
guaranteed.
Flash circuit
ROM circuit
Low power operation
VMULT
VBAT
VREG
VSS
C
vmult
C
vreg
2-3
Min.
2.4V – 5.5V
100
10
10
Typ.
200
years
years
XE8801A – SX8801R
Note
1
1
2
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