isl3874 Intersil Corporation, isl3874 Datasheet - Page 10

• Manufacturer Part Number: isl3874
• Description: Wireless Lan Integrated Medium Access Controller With Baseband Processor With Mini-pci
• Manufacturer: Intersil Corporation

AC Electrical Specifications
Waveforms
SYNTHESIZER
SYNTHCLK(PK1) Period
SYNTHCLK(PK1) Width Hi
SYNTHCLK(PK1) Width Lo
SYNTHDATA(PK2) Hold Time from Falling Edge of SYNTHCLK(PK1)
SYNTHCLK(PK1) Falling Edge to SYNLE Inactive
SYSTEM INTERFACE - PCI TIMING
Cycle Time, HPCLK
Pulse Duration, HPCLK High
Pulse Duration, HPCLK Low
Slew Rate, HPCLK
Propagation Delay Time, HPCLK to Signal Valid Delay Time
Propogation Delay Time, HPCLK to Signal Invalid Delay Time
Enable Time, High Impedance to Active Delay Time from HPCLK
Disable Time, Active to High Impedance Delay Time from HPCLK
Setup Time Before HPCLK Valid
Hold Time After HPCLK High
BASEBAND SIGNALS
Full Scale Input Voltage (V
Input Bandwidth (-0.5dB)
Input Capacitance
Input Impedance (DC)
FS (Sampling Frequency)
ADDRESS
MA(17..1)
MD(15..0)
RAMCS
P-P
MOE
)
PARAMETER
10
(Continued)
t
S2
FIGURE 1. MAC EXTERNAL MEMORY READ TIMING
ISL3874
t
E1
t
S1
SYMBOL
t
t
t
t
CYC
CYC
t
t
t
t
t
INV
DIS
t
EN
t
H1
D2
D3
t
t
t
t
L1
t
H
H
L
S
V
S
H1
t
t
CYC
CYC
0.25
MIN
90
35
30
11
11
/2 - 10
/2 - 10
0
1
2
2
7
0
5
-
-
-
-
-
t
D1
t
H2
TYP
0.50
20
5
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
t
t
CYC
CYC
4,000
MAX
1.0
11
28
22
/2 + 10
/2 + 10
4
-
-
-
-
-
-
-
-
-
-
-
-
UNITS
V/ns
MHz
MHz
k
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
V