PC87393VJG National Semiconductor, PC87393VJG Datasheet - Page 143

• Manufacturer Part Number: PC87393VJG
• Description: IC, SUPER I/O DEVICE, TQFP-100
• Manufacturer: National Semiconductor

Specifications of PC87393VJG

• Data Rate: 2Mbps
• Supply Voltage Range: 3V to 3.6V
• Logic Case Style: TQFP
• No. Of Pins: 100
• Operating Temperature Range: 0°C to +70°C
• Termination Type: SMD
• Transceiver Type: Interface
• Rohs Compliant: No

9.0 Device Characteristics
9.4.6
9.4.7
Symbol
t
t
t
HDH
HDS
WDW
CTS, DSR, DCD
INTERRUPT
RI
WDATA
HDSEL
WGATE
1. Not tested. Guaranteed by design.
Modem Control Timing
FDC Write Data Timing
HDSEL Hold from WGATE Inactive
HDSEL Setup to WGATE Active
Write Data Pulse Width
1. t
Data Rate
500 Kbps
300 Kbps
250 Kbps
1 Mbps
CP
is the clock period defined in the Clock Timing section of this chapter.
Symbol
t
t
t
L
H
SIM
t
HDS
Parameter
RI2,1 Low Time
RI2,1 High Time
Delay to Set IRQ from Modem Input
1000
2000
3333
4000
t
DRP
t
SIM
(Continued)
1
10 x t
12 x t
6 x t
6 x t
(Read MSR)
1
t
Parameter
ICP
t
CP
CP
DRP
CP
CP
t
WDW
1
1
1
1
t
ICP
See t
t
143
t
ICP
WDW
DRP
Nominal
125
125
208
250
, t
Values
ICP
t
SIM
and t
WDW
2 x t
2 x t
2 x t
2 x t
Min
t
100
100
WDW
Min
10
10
values in table below
ICP
ICP
ICP
ICP
(Read MSR)
t
L
Max
t
40
WDW
250
250
375
500
Minimum
Unit
t
ns
ns
ns
HDH
t
SIM
t
H
Max
Unit
ns
ns
ns
ns
www.national.com
Unit
s
s