isp1122 NXP Semiconductors, isp1122 Datasheet - Page 32

• Manufacturer Part Number: isp1122
• Description: Isp1122 Universal Serial Bus Stand-alone Hub
• Manufacturer: NXP Semiconductors

Table 29: Static characteristics: analog I/O pins (D , D )
V
[1]
[2]
[3]
[4]
15. Dynamic characteristics
Table 30: Dynamic characteristics
V
[1]
Philips Semiconductors
9397 750 07002
Product specification
Symbol
Input levels
V
V
V
V
Output levels
V
V
Leakage current
I
Capacitance
C
Resistance
Z
Z
Termination
V
Symbol
Reset
t
Crystal oscillator
f
LZ
W(RESET)
XTAL
CC
CC
DRV
INP
DI
CM
IL
IH
OL
OH
TERM
IN
= 4.0 to 5.5 V; V
D is the USB positive data pin (DPn); D is the USB negative data pin (DMn).
Includes external resistors of 20
This voltage is available at pin V
In ‘suspend’ mode the minimum voltage is 2.7 V.
= 4.0 to 5.5 V; V
Dependent on the crystal oscillator start-up time.
[2]
[3]
Parameter
differential input sensitivity
differential common mode
voltage
LOW-level input voltage
HIGH-level input voltage
LOW-level output voltage
HIGH-level output voltage
OFF-state leakage current
transceiver capacitance
driver output impedance
input impedance
termination voltage for
upstream port pull-up (R
Parameter
pulse width on input RESET
crystal frequency
GND
GND
= 0 V; T
= 0 V; T
amb
reg(3.3)
amb
1% on both D and D .
= 40 to 85 C; unless otherwise specified.
= 40 to 85 C; unless otherwise specified.
.
PU
)
Conditions
includes V
R
R
pin to GND
steady-state drive
Conditions
crystal oscillator running
crystal oscillator stopped
V
L
L
I(D )
Rev. 03 — 29 March 2000
= 1.5 k to 3.6V
= 15 k to GND
V
I(D )
DI
[1]
range
Min
0.2
0.8
-
2.0
-
2.8
-
-
28
10
3.0
Min
10
-
-
[4]
Typ
-
-
-
-
-
-
-
-
-
-
-
Typ
-
2
6
[1]
USB stand-alone hub
© Philips Electronics N.V. 2000. All rights reserved.
Max
-
2.5
0.8
-
0.3
3.6
20
44
-
3.6
Max
-
-
-
10
ISP1122
Unit
V
V
V
V
V
V
pF
M
V
Unit
ms
MHz
32 of 48
A
s