FM3264-G Ramtron, FM3264-G Datasheet - Page 18

• Manufacturer Part Number: FM3264-G
• Description: Supervisory Circuits 64K w/Pwr Mon WDT Bat Sw Pwr Fail
• Manufacturer: Ramtron

Specifications of FM3264-G

• Number Of Voltages Monitored: 4
• Monitored Voltage: 2.6 V or 2.9 V or 3.9 V or 4.4 V
• Output Type: Active Low or Bidirectional
• Manual Reset: Resettable
• Watchdog: Watchdog
• Battery Backup Switching: Backup
• Power-up Reset Delay (typ): 200 ms
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Supply Current (typ): 1500 uA
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-14
• Minimum Operating Temperature: - 40 C
• Power Fail Detection: Yes
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Supervisor Timing
Notes
1
2
3
/RST Timing
Rev. 3.1
July 2010
t
t
t
t
t
t
f
Symbol
VDD
RPU
RNR
VR
VF
WDP
WDOG
CNT
VTP
VRST
RST
This parameter is characterized but not tested.
Slope measured at any point on V
t
DOG
is the programmed time in register 0Ah, V
/RST Active (low) after V
V
V
V
Pulse Width of /RST for Watchdog Reset
Timeout of Watchdog
Frequency of Event Counters
DD
DD
DD
< V
Rise Time
Fall Time
(T
TP
A
t
= -40° C to + 85° C, V
Noise Immunity
RNR
DD
Parameter
waveform.
DD
>V
DD
TP
DD
= 2.7V to 5.5V)
> V
TP
and t
RPU
satisfied.
t
RPU
Min
t
100
100
100
DOG
10
50
0
2*t
Max
200
200
25
10
-
-
DOG
FM3204/16/64/256
Units
MHz
µs/V
µs/V
ms
ms
ms
µs
Page 18 of 21
Notes
1,2
1,2
1
3