xr17d152im Exar Corporation, xr17d152im Datasheet - Page 53

• Manufacturer Part Number: xr17d152im
• Description: Universal 3.3v And 5v Pci Bus Dual Uart
• Manufacturer: Exar Corporation

AC ELECTRICAL CHARACTERISTICS FOR 5V PCI BUS INTERFACE (VIO = 4.75-5.25V, VCC = 4.5-5.5V)
TA=0
áç
áç
áç
áç
REV. 1.2.0
XTAL1
ECLK
T
T
I
I
I
Slew
Slew
T
T
T
T
T
T
T
T
T
T
OH(AC)
OL(AC)
CL
ON
OFF
ECLK
ECH,
CYC
HI
LO
VAL
SETUP
HOLD
PRST
CRST#
S
YMBOL
R
F
o
T
to 70
ECL
o
C (-40
External Clock Period
External Clock High/Low
Time
Switching Current High
Switching Current Low
Low Clamp Current
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
Crystal Oscillator
External Clock
o
P
ARAMETER
to +85
o
C for industrial grade package).
-25+(Vin+1)/0.015
M
100
-44
20
95
30
11
11
50
8
1
1
1
2
2
7
0
1
IN
53
UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART
M
24
50
11
28
5
5
4
AX
mV/ns
U
MHz
MHz
V/ns
V/ns
V/ns
mA
mA
mA
ms
NITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
us
See PCI Specification Rev.
See PCI Specification Rev.
PCI Bus Clock, CLK
0.4V to 2.4V load
2.4V to 0.4V load
T
ECLK
UART Clock
-5 < Vin
N
OTES
= 1/ECLK
2.3
2.3
XR17D152
-1