ucb1500 NXP Semiconductors, ucb1500 Datasheet - Page 48

• Manufacturer Part Number: ucb1500
• Description: Pci To Ac97 Bridge/host Controller
• Manufacturer: NXP Semiconductors

12. Dynamic characteristics
Table 74: AC Characteristics
V
[1]
[2]
13. Clock and timing specification
Philips Semiconductors
9397 750 07443
Product specification
Symbol
I
I
I
slew
slew
OH(AC)
OL(AC)
OL
CC
= 3.3 V
Eqt’n A: I
Eqt’n B: I
r
f
OH
OL
Parameter
Switching current
HIGH
(test point)
Switching current LOW V
(test point)
LOW clamp current
Output rise slew rate
Output fall slew rate
= 78.5 * V
= 11.9 * (V
13.1 PCI clock timing
out
out
* (4.4
5.25) * (V
Table 75: PCI clock timing
Frequency = 33 MHz
Symbol
T
T
T
cyc
high
low
V
out
) for 0 V < V
Conditions
0 V < V
1.4 V < V
3.1 V < V
V
2.2 V > V
0.71 V > V
V
0.4 V to 2.4 V load
2.4 V to 0.4 V load
out
5 V < V
out
out
out
+ 2.45) for 3.3 V > V
= 3.1 V
> 2.2 V
= 0.71 V
Parameter
PCICLK cycle time
PCICLK HIGH time
PCICLK LOW time
PCICLK slew rate
out
in
out
out
out
out
< 1.4 V
out
< 1 V
< 2.4 V
< V
> 0.55 V
< 0.71 V.
> 1 V
Rev. 03 — 7 July 2000
DD
out
> 3.1 V.
Min
95
1
1
–
------------ -
0.023
–
V
44
44
25
out
+
+
----------------------------- -
--------------------- -
V
V
0.015
out
in
0.024
+
–
1
1.4
PCI to AC97 bridge/host controller
Typ
Min
30
11
11
1
© Philips Electronics N.V. 2000. All rights reserved.
Max
Eqt’n A
Eqt’n B
206
3.3
3.3
142
UCB1500
Max
4
[2]
[1]
Unit
ns
ns
ns
V/ns
Unit
mA
mA
mA
mA
mA
mA
mA
mA
V/ns
V/ns
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