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STP08CP05_08 Datasheet

  • STP08CP05_08

  • Low voltage, low current power 8-bit shift register

  • 27頁(yè)

  • STMICROELECTRONICS   STMICROELECTRONICS

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STP08CP05
Low voltage, low current power 8-bit shift register
Features
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Low voltage power supply down to 3 V
8 constant current output channels
Adjustable output current through external
resistor
Serial Data IN/Parallel data OUT
3.3 V micro driver-able
Output current: 5-100 mA
30MHz clock frequency
Available in high thermal efficiency TSSOP
exposed pad
ESD protection 2.5 kV HBM, 200 V MM
TSSOP16
SO-16
Dip-16
TSSOP16
(Exposed pad)
Description
The STP08CP05 is a monolithic, low voltage, low
current, power 8-bit shift register designed for
LED panel displays. The STP08CP05 contains an
8-bit serial-in, parallel-out shift register that feeds
a 8-bit D-type storage register. In the output
stage, eight regulated current sources were
designed to provide 5-100 mA constant current to
drive the LEDs, the output current setup time is 11
ns (typ), thus improving the system performance.
The STP08CP05 is backward compatible in
functionality and footprint with STP8C/L596.
Through an external resistor, users can adjust the
STP08CP05 output current, controlling in this way
the light intensity of LEDs, in addition, user can
adjust LED鈥檚 brightness intensity from 0% to
100% via
OE
pin.
The STP08CP05 guarantees a 20 V output
driving capability, allowing users to connect more
LEDs in series. The high clock frequency, 30
MHz, also satisfies the system requirement of
high volume data transmission. The 3.3 V of
voltage supply is useful for applications that
interface with any micro from 3.3 V. Compared
with a standard TSSOP package, the TSSOP
exposed pad increases heat dissipation capability
by a 2.5 factor.
Table 1. Device summary
Order codes
STP08CP05B1R
STP08CP05MTR
STP08CP05TTR
STP08CP05XTTR
Package
DIP-16
SO-16 (Tape and reel)
TSSOP16 (Tape and reel)
TSSOP16 exposed-pad (Tape and reel)
Packaging
25 parts per tube
2500 parts per reel
2500 parts per reel
2500 parts per reel
February 2008
Rev 3
1/27
www.st.com
27

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