Pm49FL002 / 004
PMC
AC CHARACTERISTICS (CONTINUED)
FWH/LPC INTERFACE AC INPUT/OUTPUT CHARACTERISTICS
Symbol
Parameter
Condition
Min
Max
Units
mA
0 < VOUT < 0.3 VCC
-12 VCC
Switching current
high
IOH (AC)
0.3 VCC < VOUT < 0.9 VCC
0.7 VCC < VOUT < VCC
-17.1 (VCC - VOUT
)
mA
Equation C (1)
-32 VCC
(Test point)
VOUT = 0.7 VCC
mA
mA
mA
VCC > VOUT > 0.6 VCC
0.6 VCC > VOUT > 0.1 VCC
16 VCC
I
OL (AC) Switching current low
-17.1 (VCC - VOUT
)
0.18 VCC > VOUT > 0
VOUT = 0.18 VCC
-3 < VIN < -1
Equation D (1)
38 VCC
(Test point)
mA
mA
ICL
ICH
Low clamp current
-25 + (VIN + 1) / 0.015
25 + (VIN - VCC - 1) /
0.015
High clamp current
VCC + 4 > VIN > VCC + 1
mA
slewr (2)
slewf (2)
Notes:
Output rise slew rate 0.2 VCC - 0.6 VCC load
Output fall slew rate 0.6 VCC - 0.2 VCC load
1
1
4
4
V/ns
V/ns
1. See PCI specification.
2. PCI specification output load is used.
FWH/LPC INTERFACE CLOCK CHARACTERISTICS
Symbol
tCYC
tHIGH
tLOW
Parameter
Clock Cycle Time
Min
30
11
11
1
Max
Units
ns
ns
Clock High Time
Clock Low Time
ns
Clock Slew Rate
4
V/ns
mV/ns
INIT# or RST# Slew Rate
50
Issue Date: December, 2003 Rev: 1.4
Programmable Microelectronics Corp.
36
PMC [ PMC-SIERRA, INC ]
