FM33256/FM3316 SPI Companion w/ FRAM
Electrical Specifications
Absolute Maximum Ratings
Symbol
Description
Ratings
VDD
VIN
Power Supply Voltage with respect to VSS
Voltage on any signal pin with respect to VSS
-1.0V to +5.0V
-1.0V to +5.0V and
VIN < VDD+1.0V
-1.0V to +4.5V
-55°C to + 125°C
300° C
VBAK
TSTG
TLEAD
VESD
Backup Supply Voltage
Storage Temperature
Lead Temperature (Soldering, 10 seconds)
Electrostatic Discharge Voltage
- Human Body Model (JEDEC Std JESD22-A114-B)
TBD
- Charged Device Model (JEDEC Std JESD22-C101-A)
TBD
Package Moisture Sensitivity Level
MSL-1
Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating
only, and the functional operation of the device at these or any other conditions above those listed in the operational section of this
specification is not implied. Exposure to absolute maximum ratings conditions for extended periods may affect device reliability.
DC Operating Conditions (TA = -40° C to + 85° C, VDD = 2.7V to 3.6V unless otherwise specified)
Symbol
VDD
IDD
Parameter
Main Power Supply
VDD Supply Current (VBC=0)
@ SCK = 1.0 MHz
Min
2.7
Typ
-
Max
3.6
Units Notes
V
1
2
1.1
16.0
mA
mA
@ SCK = 16.0 MHz
ISB
Standby Current
Trickle Charger Off (VBC=0)
RTC Backup Voltage
RTC Backup Current
Trickle Charge Current with VBAK=0V
Fast Charge Off (FC = 0)
Fast Charge On (FC = 1)
50
3.6
1
3
4
5
6
µA
V
µA
VBAK
IBAK
IBAKTC
2.0
3.0
50
200
120
2500
µA
µA
µA
µA
V
V
V
V
IQTC
VDD Quiescent Current (VBC=1)
VDD Quiescent Current (WDE=1)
VDD Trip Point Voltage, VTP(1:0) = 00b
VDD Trip Point Voltage, VTP(1:0) = 01b
VDD Trip Point Voltage, VTP(1:0) = 10b
VDD Trip Point Voltage, VTP(1:0) = 11b
70
25
2.70
2.85
2.97
3.13
7
8
9
9
9
IQWD
VTP0
VTP1
VTP2
VTP3
VRST
2.55
2.70
2.80
2.93
2.6
2.75
2.9
3.0
9
10
V
DD for valid /RST @ IOL = 80 µA at VOL
0
1.6
2.0
V
V
V
µA
µA
VBAK > VBAK min
V
BAK < VBAK min
VSW
ILI
ILO
VIL
Battery Switchover Voltage
Input Leakage Current
Output Leakage Current
2.7
±1
±1
11
11
Input Low Voltage
All inputs except as listed below
CNT battery-backed (VDD < VSW
-0.3
-0.3
-0.3
0.3 VDD
0.5
0.8
V
V
V
12
)
)
CNT (VDD > VSW
)
VIH
Input High Voltage
All inputs except as listed below
CNT battery-backed (VDD < VSW
CNT VDD > VSW
0.7 VDD
VBAK – 0.5
0.7 VDD
-
V
DD + 0.3
V
V
V
V
V
BAK + 0.3
V
DD + 0.3
PFI
VDD + 0.3
Continued >>
Rev. 1.0
Dec. 2006
Page 23 of 28
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
