LPC47B272-MS SMSC, LPC47B272-MS Datasheet - Page 170

• Manufacturer Part Number: LPC47B272-MS
• Description: IC CTRLR SUPER I/O LPC 100-QFP
• Manufacturer: SMSC

Specifications of LPC47B272-MS

• Controller Type: I/O Controller
• Interface: LPC
• Voltage - Supply: 3.3V
• Current - Supply: 15mA
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1019

Note 1: Internal write-protection period after Vcc passes 2.7 volts on power-up
SMSC LPC47B27x
NAME
A l l H o s t
A c c e s s e s
t1
t2
t3
V c c
For the Timing Diagrams shown, the following capacitive loads are used on outputs.
Vcc Slew from 2.7V to 0V
Vcc Slew from 0V to 2.7V
All Host Accesses After Powerup (Note 1)
DESCRIPTION
t 1
nSTROBE
SER_IRQ
nLAD[3:0]
FIGURE 8 - POWER-UP TIMING
MIDI_Tx
nLDRQ
nDS0-1
PD[0:7]
nSTEP
NAME
MDAT
J1X-Y
J2X-Y
MCLK
KDAT
KCLK
TXD1
TXD2
FANx
LEDx
nALF
nDIR
TIMING DIAGRAMS
DATASHEET
- 170 -
CAPACITANCE
TOTAL (pF)
240
240
240
240
240
240
240
240
240
240
MIN
300
100
125
50
50
50
50
50
50
50
50
50
50
t 2
TYP
t 3
MAX
500
Rev. 04-17-07
UNITS
µ s
µ s
µ s