BCM3814x60E15A3yzz
Serial Clock input (SCL) AND Serial Data (SDA) Pins
• High power SMBus specification and SMBus physical layer compatible. Note that optional SMBALERT# is not supported.
• PMBusTM command compatible.
SIGNAL TYPE
STATE
ATTRIBUTE
SYMBOL
CONDITIONS / NOTES
MIN
TYP
MAX UNIT
Electrical Parameters
VIH
VIL
2.1
3
V
Input Voltage Threshold
Output Voltage Threshold
0.8
V
V
VOH
VOL
0.4
10
V
Leakage Current
ILEAK_PIN
ILOAD
Unpowered device
µA
mA
Signal Sink Current
VOL = 0.4V
4
Total capacitive load of
one device pin
Signal Capacitive Load
CI
10
pF
Signal Noise Immunity
Timing Parameters
Operating Frequency
VNOISE_PP
10MHz to 100MHz
300
mV
FSMB
tBUF
tHD:STA
tSU:STA
Idle state = 0Hz
10
400
kHz
µs
Free Time Between
Stop and Start Condition
1.3
DIGITAL
Regular
Hold Time After Start or
Repeated Start Condition
First clock is generated
after this hold time
INPUT/OUTPUT
Operation
0.6
0.6
µs
µs
Repeat Start Condition
Setup Time
Stop Condition Setup Time
Data Hold Time
tSU:STO
tHD:DAT
tSU:DAT
tTIMEOUT
tLOW
0.6
300
100
25
µs
ns
ns
ms
µs
µs
Data Setup Time
Clock Low Time Out
Clock Low Period
35
1.3
0.6
Clock High Period
tHIGH
50
25
Cumulative Clock Low
Extend Time
tLOW:SEXT
ms
ns
ns
Clock or Data Fall Time
Clock or Data Rise Time
tF
20
20
300
300
tR
tLOW tR
tF
SCL
VIH
VIL
tHIGH
tSU,DAT
tHD,STA
tHD,DAT
tSU,STA
tSU,STO
SDA
VIH
VIL
tBUF
P
S
S
P
BCM® in a VIA Package
Page 12 of 41
Rev 2.0
02/2018
VICOR [ VICOR CORPORATION ]
