fm3316 Ramtron Corporation, fm3316 Datasheet - Page 3

• Manufacturer Part Number: fm3316
• Description: 3v Integrated Processor Companion With Memory
• Manufacturer: Ramtron Corporation

Rev. 1.1
Dec. 2007
Ordering Information
Base
Configuration
FM33256
FM3316
VBAK
VDD
SCK
RST
CNT
PFO
PFI
CS
SO
SI
Other memory configurations may be available. Please contact the factory for more information.
V
SW
256Kb
Interface
LockOut
Memory
16Kb
Size
SPI
+
-
Nonvolatile
+
-
Operating
2.7-3.6V
2.7-3.6V
Voltage
1.5V
Manual Reset
Watchdog
LV Detect
Switched Power
Battery Backed
Figure 1. Block Diagram
Max. Clock
16 MHz
16 MHz
Freq.
Registers
RTC Cal.
Function
Counter
Special
Event
S/N
2.6V, 2.75, 2.9, 3.0V
Reset Thresholds
FM33256/FM3316 SPI Companion w/ FRAM
NV/BB User Programmable
"
RTC Registers
FRAM
Array
Alarm
RTC
512Hz/SqW
Ordering Part Number
Alarm
FM33256-G
FM3316-G
X2
ACS
X1
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