FM24C256-G Ramtron, FM24C256-G Datasheet - Page 9

• Manufacturer Part Number: FM24C256-G
• Description: IC, FRAM, 256KBIT, 1MHZ, SOIC-8
• Manufacturer: Ramtron

Specifications of FM24C256-G

• Memory Size: 256Kbit
• Memory Configuration: 32K X 8
• Ic Interface Type: 2 Wire, Serial
• Supply Voltage Range: 4.5V To 5.5V
• Memory Case Style: SOIC
• No. Of Pins: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AC Parameters
Notes : All SCL specifications as well as start and stop conditions apply to both read and write operations.
1
Capacitance
Notes
1
AC Test Conditions
Input Pulse Levels
Input rise and fall times
Input and output timing levels
Rev. 3.3
Jan. 2011
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
C
C
Symbol
LOW
HIGH
AA
BUF
HD:STA
SU:STA
HD:DAT
SU:DAT
R
F
SU:STO
DH
SP
SCL
I/O
IN
This parameter is periodically sampled and not 100% tested.
This parameter is periodically sampled and not 100% tested.
Parameter
SCL Clock Frequency
Clock Low Period
Clock High Period
SCL Low to SDA Data Out Valid
Bus Free Before New
Transmission
Start Condition Hold Time
Start Condition Setup for Repeated
Start
Data In Hold
Data In Setup
Input Rise Time
Input Fall Time
Stop Condition Setup
Data Output Hold
(from SCL @ VIL)
Noise Suppression Time Constant
on SCL, SDA
Input/Output Capacitance (SDA)
Input Capacitance
(T
A
(T
= 25° C, f=1.0 MHz, V
A
= -40° C to + 85° C, V
Parameter
0.5 V
0.1 V
10 ns
DD
= 5V)
DD
DD
DD
= 4.5V to 5.5V, C
to 0.9 V
Min
250
4.7
4.0
4.7
4.0
4.7
4.0
0
0
0
DD
Max
Max
1000
8
6
100
300
L
50
3
= 100 pF unless otherwise specified)
Min
100
1.3
0.6
1.3
0.6
0.6
0.6
0
0
0
Units
pF
pF
Max
400
300
300
0.9
50
Equivalent AC Load Circuit
Output
Notes
Min
0.25
0.25
0.25
100
0.6
0.4
0.5
1
1
0
0
0
5.5V
1000
Max
0.55
300
100
50
1700 Ω
100 pF
Units
kHz
µs
µs
µs
µs
µs
µs
ns
ns
ns
ns
µs
ns
ns
FM24C256
Page 9 of 12
Notes
1
1