Philips ISP1521 ユーザーズマニュアル
Philips Semiconductors
ISP1521
Hi-Speed USB hub controller
Product data
Rev. 03 — 24 November 2004
34 of 53
9397 750 13702
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
13. Limiting values
[1]
Valid only when supply voltage is present.
[2]
Test method available on request.
[3]
Equivalent to discharging a 100 pF capacitor via a 1.5 k
Ω
resistor (Human Body Model).
14. Recommended operating conditions
[1]
All internal pull-up resistors are connected to this voltage.
Table 34:
Absolute maximum ratings
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
Max
Unit
V
CC
supply voltage 3.3 V
−
0.5
+4.6
V
V
REF(5V0)
input reference voltage 5.0 V
−
0.5
+6.0
V
V
I(5V0)
input voltage on 5 V buffers
3.0 V < V
CC
< 3.6 V
−
0.5
+6.0
V
V
I(3V3)
input voltage on 3.3 V buffers
3.0 V < V
CC
< 3.6 V
−
0.5
+4.6
V
V
O(3V3)
output voltage on 3.3 V buffers
−
0.5
+4.6
V
I
lu
latch-up current
V
I
< 0 or V
I
> V
CC
-
100
mA
V
esd
electrostatic discharge voltage
on pins DM1 to DM7, DP1 to DP7,
OC1_N to OC7_N, and all
V
OC1_N to OC7_N, and all
V
REF(5V0)
and GND pins; I
LI
< 1
µ
A
−
4000
+4000
V
on all other pins; I
LI
< 1
µ
A
−
2000
+2000
V
T
stg
storage temperature
−
40
+125
°
C
Table 35:
Recommended operating ranges
Symbol
Parameter
Min
Typ
Max
Unit
V
CC
supply voltage 3.3 V
3.0
3.3
3.6
V
V
REF(5V0)
input reference voltage 5.0 V
4.5
5.0
5.5
V
V
I(3V3)
input voltage on 3.3 V pins
0
-
V
CC
V
V
I(5V0)
input voltage on 5 V tolerant pins
0
-
V
REF(5V0)
V
T
amb
ambient temperature
−
40
-
+70
°
C