FM24C256-G View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
FM24C256-G Datasheet PDF : 12 Pages
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FM24C256
AC Parameters (TA = -40° C to + 85° C, VDD = 4.5V to 5.5V, CL = 100 pF unless otherwise specified)
Symbol Parameter
Min Max Min Max Min Max Units
fSCL
SCL Clock Frequency
0 100 0 400 0 1000 kHz
tLOW
Clock Low Period
4.7
1.3
0.6
µs
tHIGH
Clock High Period
4.0
0.6
0.4
µs
tAA
SCL Low to SDA Data Out Valid
3
0.9
0.55 µs
tBUF
Bus Free Before New
Transmission
4.7
1.3
0.5
µs
tHD:STA Start Condition Hold Time
4.0
0.6
0.25
µs
tSU:STA Start Condition Setup for Repeated 4.7
0.6
0.25
µs
Start
tHD:DAT
tSU:DAT
tR
tF
tSU:STO
tDH
Data In Hold
Data In Setup
Input Rise Time
Input Fall Time
Stop Condition Setup
Data Output Hold
(from SCL @ VIL)
0
0
0
ns
250
100
100
ns
1000
300
300 ns
300
300
100 ns
4.0
0.6
0.25
µs
0
0
0
ns
tSP
Noise Suppression Time Constant
50
50
50 ns
on SCL, SDA
Notes : All SCL specifications as well as start and stop conditions apply to both read and write operations.
1 This parameter is periodically sampled and not 100% tested.
Notes
1
1
Capacitance (TA = 25° C, f=1.0 MHz, VDD = 5V)
Symbol
Parameter
Max
CI/O
Input/Output Capacitance (SDA)
8
CIN
Input Capacitance
6
Notes
1 This parameter is periodically sampled and not 100% tested.
AC Test Conditions
Input Pulse Levels
Input rise and fall times
Input and output timing levels
0.1 VDD to 0.9 VDD
10 ns
0.5 VDD
Units
pF
pF
Notes
1
1
Equivalent AC Load Circuit
5.5V
Output
1700 Ω
100 pF
Rev 3.1
May 2005
Page 9 of 12
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