PT6306 Datasheet, PDF (8/18 Pages) Princeton Technology Corp – 64-Bit High Voltage Display Driver IC

PT6306
FUNCTION DESCRIPTION
SHIFT REGISTER TRUTH TABLE
Input
DIR
CLKB
I/O
RDIO
LDIO
H
H
H or L
Input
Output (see Note1)
Output
L
Output (see Note2)
Input
L
H or L
Output
Notes:
1. SQ63 is shifted to the SQ64 position and the output from LDIO at the falling edge of the clock.
2. SQ2 is shifted to the SQ1 position and the output from RDIO at the falling edge of the clock.
Shift Register
Right Shift
Hold
Left Shift
Hold
SHIFT REGISTER TRUTH TABLE
Input
RDIO (LDIO) LATB BK PCB
Driver Output Stage
x
x
H
H H (All Driver Output are “High”)
x
x
H
L L (All Driver Output are “Low”)
H
L
L
HH
H
L
L
LL
L
L
L
HL
L
L
L
LH
x
H
L
H Output Data immediately before LATB goes to “High”
x
H
L
L Reverses & Outputs Data immediately before LATB goes to “High”
Note: x=“High” or “Low” State, H=“High” State, L=“Low” State.
V2.1
8
January 2010