ISP1521BE ST-Ericsson Inc, ISP1521BE Datasheet - Page 12

• Manufacturer Part Number: ISP1521BE
• Description: IC USB HUB CONTROLLER HS 80-LQFP
• Manufacturer: ST-Ericsson Inc

Specifications of ISP1521BE

• Controller Type: USB Hub
• Interface: I²C
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 80-LQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Supply: -
• Other names: 568-1170; ISP1521BE,557

Philips Semiconductors
ISP1521_4
Product data sheet
The triggering voltage of the POR circuit is 2.03 V nominal. A POR is automatically
generated when V
Fig 3. Power-on reset timing
Fig 4. External clock with respect to power-on reset
At t
Stable external clock is to be available at A.
1
: clock is running and available.
CC
goes below the trigger voltage for a duration longer than 1 s.
EXTERNAL CLOCK
Rev. 04 — 30 March 2006
2.03 V
V
0 V
CC
POR
POR
A
683 s
004aaa388
t
1
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
Hi-Speed USB hub controller
004aaa365
ISP1521
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