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TB62705 View Datasheet(PDF) - Toshiba

Part NameDescriptionManufacturer
TB62705 8-BIT SHIFT REGISTER, LATCHES & CONSTANT-CURRENT DRIVERS Toshiba
Toshiba Toshiba
TB62705 Datasheet PDF : 17 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
PIN DESCRIPTION
TB62705CP/CF/CFN
PIN No.
1
2
3
4
5~12
13
14
15
16
PIN NAME
FUNCTION
GND
SERIALIN
CLOCK
LATCH
OUTn
ENABLE
SERIALOUT
REXT
VDD
GND terminal for control logic
Input pin for shift register serial data
Clock input terminal for data shift to up-edge.
Data strobe input terminal. Latches pass LATCH data with “H” level input and retain data with “L”
level input.
Output terminals
Input terminal for output enable. All outputs ( OUTn ) go off with ENABLE data input at "H" level
and go on with data input at "L" level.
Output terminal for serial data for the next SERIAL-IN terminal.
Input terminal for connecting a resistor to regulate all output currents.
5-V supply pin of the IC
TRUTH TABLE
CLOCK
LATCH
ENABLE
SERIALIN
OUTn
SERIALOUT
UP
H
UP
L
UP
H
DOWN
X
DOWN
X
L
Dn
L
Dn+1
L
Dn+2
L
Dn+3
H
Dn+3
Dn ··· Dn5 ··· Dn7
No change
Dn+2 ··· Dn3 ··· Dn5
Dn+2 ··· Dn3 ··· Dn5
Off
Dn7
Dn6
Dn5
Dn5
Dn5
Note:
OUTn = on if Dn = H level, and OUTn = off if Dn = L level.
An external resistor is connected with REXT and GND. Be sure to administer the correct power supply
voltage.
INPUT/OUTPUT EQUIVALENT CIRCUITS
1. ENABLE terminal
2. LATCH terminal
3. CLOCK, SERIALIN terminal
4. SERIALOUT terminal
3
2006-06-13
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