D6345C NEC, D6345C Datasheet - Page 3

• Manufacturer Part Number: D6345C
• Description: Srarch -----> UPD6345C
• Manufacturer: NEC

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BLOCK DIAGRAM
TRUTH TABLE
*1) Seventh data S
*2) Shift register operates normally.
SCK
to Serial data Output pin.
*
*
RES
SCK
100 k
LAT
SIN
EN
EN
H
H
H
H
L
*
*
100 k
100 k
100 k
100 k
7
of shift register is loaded to eighth data S
RES
H
H
H
H
L
*
O
1
P
S
LAT
L
H
H
H
1
1
L
*
*
*2
P
S
1
1
to P
to S
O
2
P
S
8
8
2
2
; Latch Circuits
; 8-bit Shift register
SIN
H
L
*
*
*
*
*
O
3
P
S
3
3
High Impedance
High Impedance High Impedance
High Impedance High Impedance
NO CHANGE
NO CHANGE
NO CHANGE
O
4
O
L
P
S
1
4
4
8
on positive-going transition of clock, and is output
OUT
O
5
P
S
5
5
NO CHANGE
NO CHANGE
NO CHANGE
O
O
O
O
n – 1
n – 1
6
n
P
S
6
6
O
7
SO
P
S
S
S
S
S
S
L
L
7
7
7
7
7
7
8
*1
SCK = CLOCK
EN = Output Enable
RES= Reset
LAT= Latch Enable
SIN = Serial data Input
OUT = Driver Output
SO = Serial data Output
* = H or L
H = High level
L = Low level
O
8
P
S
8
8
Note
PD6345
SO
3