LTC1657 LINER [Linear Technology], LTC1657 Datasheet - Page 6

• Manufacturer Part Number: LTC1657
• Description: Parallel 16-Bit Rail-to-Rail Micropower DAC
• Manufacturer: LINER [Linear Technology]

DIGITAL INTERFACE TRUTH TABLE
LTC1657
TIMING
6
W U
CLR
H
H
H
H
H
H
H
H
H
L
DIAGRAM
U
CSMSB
CSMSB
CSLSB
X
X
X
H
X
H
X
L
L
L
LDAC
DATA
WR
W
CSLSB
X
X
X
H
X
X
H
L
L
L
t
CWS
WR
t
H
X
X
X
L
L
L
X
X
L
t
WR
t
CS
DWS
DATA VALID
t
t
CWH
DWH
LDAC
H
X
L
X
X
X
X
X
X
L
FUNCTION
Clears input and DAC registers to zero
Loads DAC register with contents of input registers
Freezes contents of DAC register
Writes MSB byte into MSB input register
Writes LSB byte into LSB input register
Writes MSB and LSB bytes into MSB and LSB input registers
Inhibits write to MSB and LSB input registers
Inhibits write to MSB input register
Inhibits write to LSB input register
Data bus flows directly through input and DAC registers
t
t
WR
CS
DATA VALID
DAC UPDATE
t
LDAC
1657 TD