FM3164-G Ver la hoja de datos (PDF) - Ramtron International Corporation
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FM3164-G
Ramtron International Corporation
FM3164-G Datasheet PDF : 26 Pages
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A general-purpose comparator compares an external
input pin to the onboard 1.2V reference. This is
useful for generating a power-fail interrupt (NMI) but
can be used for any purpose. The family also includes
a programmable 64-bit serial number that can be
locked making it unalterable. Additionally it offers a
dual battery-backed event counter that tracks the
number of rising or falling edges detected on
dedicated input pins.
Pin Configuration
CNT1
1
14
CNT2
2
13
A0
3
12
A1
4
11
CAL/PFO
5
10
RST
6
9
VSS
7
8
VDD
SCL
SDA
X2
X1
PFI
VBAK
FM3104/16/64/256
Pin Name
CNT1, CNT2
A0, A1
CAL/PFO
/RST
PFI
X1, X2
SDA
SCL
VBAK
VDD
VSS
Function
Event Counter Inputs
Device Select inputs
Clock Calibration and Early
Power-Fail Output
Reset Input/Output
Early Power-fail Input
Crystal Connections
Serial Data
Serial Clock
Battery-Backup Supply
Supply Voltage
Ground
Ordering Information
Base Configuration Memory Size
FM31256
256Kb
256Kb
FM3164
64Kb
64Kb
FM3116 *
16Kb
16Kb
FM3104 *
4Kb
4Kb
Operating Voltage
2.7-5.5V
2.7-5.5V
2.7-5.5V
2.7-5.5V
2.7-5.5V
2.7-5.5V
2.7-5.5V
2.7-5.5V
Reset Threshold
2.6V, 2.9, 3.9, 4.4V
2.6V, 2.9, 3.9, 4.4V
2.6V, 2.9, 3.9, 4.4V
2.6V, 2.9, 3.9, 4.4V
2.6V, 2.9, 3.9, 4.4V
2.6V, 2.9, 3.9, 4.4V
2.6V, 2.9, 3.9, 4.4V
2.6V, 2.9, 3.9, 4.4V
Ordering Part Number
FM31256-G
FM31256-GTR (tape&reel)
FM3164-G
FM3164-GTR (tape&reel)
FM3116-G
FM3116-GTR (tape&reel)
FM3104-G
FM3104-GTR (tape&reel)
* The FM3116 and FM3104 devices are EOL as of Sept. 2011.
Rev. 2.1
Sept. 2011
Page 2 of 26
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