FM3540SM14 datasheet(6/10 Pages) FAIRCHILD

Part #	FM3540SM14

Description	4/5 Bit Multiplexed, 1 Bit Latched Port with Standard 2-Wire Bus Interface and Non-Volatile Latches

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Manufacturer	FAIRCHILD [Fairchild Semiconductor]

Direct Link	http://www.fairchildsemi.com

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FM3540/60 Rev. C

AC Characteristics

Symbol

Parameter

TA = 0°C to +70°C,CL = 30pF, RL = 500Ω

Units

VCC = 5.0V ± 0.5V

VCC = 3.3 ± 0.3V

Min

Max

Min

Max

t

PHL

Prop Delay I to Y

50

ns

TPLH

Prop Delay I to Y

50

ns

t

PHL

Prop Delay to Y (from OVRD’ or Mux_Sel)

50

ns

TPLH

Prop Delay to Y (from OVRD’ or Mux_Sel)

50

ns

IIC AC Characteristics

Symbol

Parameter

TA = 0°C to +70°C,CL = 30pF, RL = 500Ω

Units

100kHz

400kHz

Min

Max

Min

Max

f

SCL

SCL Clock Frequency

100

400

kHz

T1

Noise Supression Time Constant

100

50

nS

t

AA

SCL Low to SDA Data Out Valid

0.3

3.5

0.1

0.9

µS

tBUF

Time the Bus must be free before a new

4.7

1.3

µS

Transmission can start

tHD:STA

Start Condition Hold Time

4.0

0.6

µS

t

LOW

Clock Low Period

4.7

0.6

µS

tHIGH

Clock High Period

4.0

0.6

µS

t

SU:STA

Start Condition Setup Time (For a

4.7

0.6

repeated Start Condition)

t

HD:DAT

Data in Hold Time

0

µS

t

SU:DAT

Data in Setup Time

250

100

nS

t

R

SDA and SCL Rise Time

1000

300

nS

t

F

SDA and SCL Fall Time

300

nS

t

SU:STO

Stop Condition Setup Time

4.7

0.6

µS

Capacitance

Symbol

Parameter

Conditions

TA = +25

°C Typical

Units

Cin

Input Capacitance (I4-I0)

VI =0V or VCC, VCC=3.3 or 5.0

6

PF

C

I/O

Input/Output Capacitance (SDA)

V

I=0V or VCC, VCC=3.3 or 5.0

7

PF

COUT

Output Capacitance (Y4-Y0)

7

PF

Non-Volatile Memory Characteristics

Parameter

Specification

Data Retention

10 years minimum

Number of writes

1,000,000 cycles

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FM3540SM14 Datasheet(PDF) 6 Page - Fairchild Semiconductor

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