FM25W256 - 256Kb SPI F-RAM
Electrical Specifications
Absolute Maximum Ratings
Symbol
Description
Ratings
-1.0V to +7.0V
-1.0V to +7.0V
and VIN < VDD+1.0V
-55°C to + 125°C
260° C
VDD
VIN
Power Supply Voltage with respect to VSS
Voltage on any pin with respect to VSS
TSTG
TLEAD
VESD
Storage Temperature
Lead Temperature (Soldering, 10 seconds)
Electrostatic Discharge Voltage
- Human Body Model (AEC-Q100-002 Rev. E)
- Charged Device Model (AEC-Q100-011 Rev. B)
- Machine Model (AEC-Q100-003 Rev. E)
Package Moisture Sensitivity Level
4kV
1.25kV
250V
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 5.5V unless otherwise specified)
Symbol
VDD
Parameter
Power Supply Voltage
Power Supply Current
@ SCK = 1.0 MHz
@ SCK = 20.0 MHz
Standby Current
Min
Typ
Max
Units
Notes
2.7
3.3
5.5
V
IDD
1
-
-
0.25
2.0
30
mA
mA
µA
µA
µA
V
ISB
ILI
ILO
VIH
VIL
VOH
15
-
2
3
3
Input Leakage Current
Output Leakage Current
Input High Voltage
Input Low Voltage
Output High Voltage
@ IOH = -2 mA
1
-
1
VDD + 0.5
0.3 VDD
-
0.7 VDD
-0.3
DD – 0.8
V
V
V
VOL
Output Low Voltage
-
0.4
V
@ IOL = 2 mA
Notes
1. SCK toggling between VDD-0.3V and VSS, other inputs VSS or VDD-0.3V.
2. SCK = SI = /CS=VDD. All inputs VSS or VDD
3. SS ≤ VIN ≤ VDD and VSS ≤ VOUT ≤ VDD
.
V
.
Rev. 1.3
Feb. 2011
Page 9 of 13
RAMTRON [ RAMTRON INTERNATIONAL CORPORATION ]
