fm3204 Ramtron Corporation, fm3204 Datasheet - Page 2

• Manufacturer Part Number: fm3204
• Description: Integrated Processor Companion With Memory
• Manufacturer: Ramtron Corporation

Pin Configuration
Rev. 2.4
Mar. 2008
Ordering Information
Base Configuration
FM32256
FM3264
FM3216
FM3204
CNT2
CNT1
PFO
RST
VSS
A0
A1
Other memory configurations may be available. Please contact the factory for more information.
1
2
3
4
5
6
7
Memory Size
256Kb
64Kb
16Kb
14
13
12
11
10
4Kb
9
8
VBAK
NC
NC
PFI
VDD
SCL
SDA
Operating Voltage
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
Pin Name
CNT1, CNT2
A0, A1
PFO
/RST
PFI
SDA
SCL
VBAK
VDD
VSS
Function
Event Counter Inputs
Device Select inputs
Early Power-fail Output
Reset Input/Output
Early Power-fail Input
Serial Data
Serial Clock
Battery-Backup Supply
Supply Voltage
Ground
Ordering Part Number
FM32256-G
FM3264-G
FM3216-G
FM3204-G
FM3204/16/64/256
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