SM5839A Datasheet, PDF (2/8 Pages) Nippon Precision Circuits Inc – High-Speed Variable-Length Shift Register

BLOCK DIAGRAM
ENRC
SM5839A
VDD
8
8
DIN0
8
Multiplexer
to
DIN7
CLK
Variable shift
8
register block
Write address pointer
Read address pointer
7
8
Output
buffer
DOUT0
to
DOUT7
VSS
PIN DESCRIPTION
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Name
DIN0
DIN1
DIN2
DIN3
DIN4
DIN5
DIN6
DIN7
S6
S5
S4
S3
CLK
VSS
S2
S1
S0
DOUT7
DOUT6
DOUT5
S0 to S6
OE
I/O¹
Description
Ip
Data input 0
Ip
Data input 1
Ip
Data input 2
Ip
Data input 3
Ip
Data input 4
Ip
Data input 5
Ip
Data input 6
Ip
Data input 7
Ip
Register length select control 6
Ip
Register length select control 5
Ip
Register length select control 4
Ip
Register length select control 3
I
Clock input
–
Ground
Ip
Register length select control 2
Ip
Register length select control 1
Ip
Register length select control 0
O
Data output 7
O
Data output 6
O
Data output 5
NIPPON PRECISION CIRCUITS—2