FM33256B-G Cypress Semiconductor, FM33256B-G Datasheet - Page 24

• Manufacturer Part Number: FM33256B-G
• Description: Real Time Clock 256Kb F-RAM Processor Companion
• Manufacturer: Cypress Semiconductor

Specifications of FM33256B-G

• Rohs: yes
• Supply Voltage - Max: 3.6 V
• Supply Voltage - Min: 2.7 V
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-14
• Factory Pack Quantity: 56

Electrical Specifications
Absolute Maximum Ratings
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 (
This product conforms to specifications per the terms of the Ramtron
standard warranty. The product has completed Ramtron’s internal
qualification testing and has reached production status.
Rev. 3.0
Aug. 2012
Symbol
V
I
I
V
I
I
I
I
V
V
V
V
V
V
I
I
V
DD
SB
BAK
BAKTC
QTC
QWD
LI
LO
DD
BAK
TP0
TP1
TP2
TP3
RST
SW
IL
Symbol
T
V
V
T
V
V
LEAD
BAK
STG
ESD
DD
IN
Main Power Supply
V
Standby Current
RTC Backup Voltage
RTC Backup Current
@ T
Trickle Charge Current with V
V
V
V
V
V
V
V
Battery Switchover Voltage
Input Leakage Current
Output Leakage Current
Input Low Voltage
Trickle Charger Off
@ T
@ T
@ T
@ T
@ T
Fast Charge Off (FC = 0)
Fast Charge On (FC = 1)
@ SCK = 1.0 MHz
@ SCK = 16.0 MHz
DD
DD
DD
DD
DD
DD
DD
DD
V
V
All inputs except as listed below
BAK
BAK
A
Supply Current (VBC=0)
Quiescent Current (VBC=1)
Quiescent Current (WDE=1)
Trip Point Voltage, VTP(1:0) = 00b
Trip Point Voltage, VTP(1:0) = 01b
Trip Point Voltage, VTP(1:0) = 10b
Trip Point Voltage, VTP(1:0) = 11b
for valid /RST @ I
A
A
A
A
A
= +25ºC, V
= +25ºC to +85ºC
= -40ºC to +25ºC
= +85ºC, V
= +25ºC, V
= +85ºC, V
> V
< V
Power Supply Voltage with respect to V
Voltage on any signal pin with respect to V
Backup Supply Voltage
Storage Temperature
Lead Temperature (Soldering, 10 seconds)
Electrostatic Discharge Voltage
Package Moisture Sensitivity Level
- Human Body Model
- Charged Device Model
- Machine Model
BAK
BAK
min
min
T
Parameter
BAK
A
BAK
BAK
BAK
= -40° C to + 85° C, V
(VBC=0)
= 3.0V
= 3.0V
= 2.0V
= 2.0V
OL
= 80 µA at V
(JEDEC Std JESD22-A115-A)
Description
BAK
(JEDEC Std JESD22-A114-E)
=0V
(JEDEC Std JESD22-C101-C)
OL
DD
= 2.7V to 3.6V unless otherwise specified)
SS
Min
1.55
1.90
2.53
2.68
2.78
2.91
-0.3
200
2.7
1.6
2.0
SS
50
0
Typ
2.75
1850 Ramtron Drive, Colorado Springs, CO 80921
2.6
2.9
3.0
-
FM33256B SPI Companion w/ FRAM
Ramtron International Corporation
-1.0V to +5.0V and
-55°C to + 125°C
V
-1.0V to +5.0V
-1.0V to +4.5V
IN
0.3 V
< V
2500
Ratings
Max
16.0
3.75
3.75
1.15
1.65
2.72
2.87
2.99
3.15
MSL-1
150
200
260° C
3.6
1.1
1.4
2.0
2.7
±1
±1
70
30
(800) 545-FRAM, [phone]
TBD
TBD
TBD
DD
DD
+1.0V
Units
www.ramtron.com
mA
mA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
µA
V
V
V
V
V
V
V
V
V
V
Page 24 of 28
Notes
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