xr17l154iv Exar Corporation, xr17l154iv Datasheet - Page 48

• Manufacturer Part Number: xr17l154iv
• Description: 3.3v Pci Bus Quad Uart
• Manufacturer: Exar Corporation

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AC ELECTRICAL CHARACTERISTICS FOR 3.3V SIGNALING
TA=0
DISCONTINUED
CLK
XTAL1
XTAL2
ECLK
I
I
I
I
Slew
Slew
T
T
T
T
T
T
T
T
T
T
OH(AC)
OL(AC)
CH
CL
CYC
HI
LO
VAL
ON
OFF
SETUP
HOLD
PRST
CRST#
S
YMBOL
o
R
F
to 70
o
C (-40
PCI Bus Clock
Crystal Oscillator
External Clock
Switching Current High
Switching Current Low
Clamping Current High
Clamping Current Low
Output Rise Slew Rate
Output Fall Slew Rate
CLK Cycle Time
CLK High Time
CLK Low Time
CLK Slew Rate
CLK to Signal Valid Delay
Float to Active Delay
Active to Float Delay
Input Setup Time to CLK -
bused signals
Input Hold Time from CLK
RST# Active Time After
Power Stable
RST# Active Time After CLK
Stable
RST# Slew Rate
o
to +85
P
ARAMETER
o
C for industrial grade package), Vcc = 3.3V +/-10% unless otherwise specified.
25+(Vin-Vcc-1)/0.015
-25+(Vin+1)/0.015
-12Vcc
16Vcc
M
100
30
11
11
50
1
1
1
2
2
7
0
1
IN
48
M
33
24
33
11
28
4
4
4
AX
mV/ns
U
MHz
MHz
MHz
V/ns
V/ns
V/ns
mA
mA
mA
3.3V PCI BUS QUAD UART
mA
ms
NITS
ns
ns
ns
ns
ns
ns
ns
ns
us
Vcc+4 > Vin
0.2Vcc - 0.6Vcc load
0.6Vcc - 0.2Vcc load
Vcc > Vout
Ext. clock on XTAL1
0 < Vout
On-chip osc.
-3 < Vin
N
OTES
XR17L154
0.3Vcc
REV. 1.1.0
0.6Vcc
Vcc+1
-1