LPC47B272-MS SMSC, LPC47B272-MS Datasheet - Page 177

• 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: nWAIT is considered to have settled after it does not transition for a minimum of 50 ns.
Note 2: When not executing a write cycle, EPP nWRITE is inactive high.
SMSC LPC47B27x
ADDRSTB
DATASTB
PD<7:0>
NAME
nWRITE
t10
t11
t12
nWAIT
t1
t2
t3
t4
t5
t6
t7
t8
t9
nWAIT Asserted to nWRITE Deasserted
nWAIT Asserted to nWRITE Modified (Notes 1,2)
nWAIT Asserted to PDATA Hi-Z (Note 1)
Command Asserted to PDATA Valid
Command Deasserted to PDATA Hi-Z
nWAIT Asserted to PDATA Driven (Note 1)
PDATA Hi-Z to Command Asserted
nWRITE Deasserted to Command
nWAIT Asserted to Command Asserted
nWAIT Deasserted to Command Deasserted
(Note 1)
PDATA Valid to nWAIT Deasserted
PDATA Hi-Z to nWAIT Asserted
FIGURE 19 – EPP 1.9 DATA OR ADDRESS READ CYCLE
DESCRIPTION
t3
t1
t9
t8
DATASHEET
t7
- 177 -
t4
t11
t10
MIN
60
60
60
60
0
0
0
0
1
0
0
0
TYP
t5
t12
MAX
185
190
180
190
195
180
30
t6
Rev. 04-17-07
t2
UNITS
ns
ns
µ s
ns
ns
ns
ns
ns
ns
ns
ns
ns