EVM6436 SEMTECH [Semtech Corporation], EVM6436 Datasheet - Page 12

• Manufacturer Part Number: EVM6436
• Description: Per-Pin Electronics Companion DAC
• Manufacturer: SEMTECH [Semtech Corporation]

TEST AND MEASUREMENT PRODUCTS
Circuit Description (continued)
FORMAT
RESET*
CLKIN
2006 Semtech Corp. / Rev. 3, 8/25/06
LOAD
SDIN
C
Programming Logic
Decode and Individual DAC Update
NOTE: Not shown is the function of the Latched Data Readback (via LDOUT) and the
DAC Value Readback (via DACOUT).
R
S
ADDRESS AND SET
DECODERS
R
DISABLE
DACSEL0
DACSEL1
Figure 1. DAC Functional Block Diagram
RESET
D7-D0
LCLK
RESET
11
24-BIT SHIFT REGISTER
CENTRAL REGISTER
R
Details of the 'Store' Latches are shown on the following pages.
(24 Bits)
C
STORE
13
12
D
D
D
R
UPDATEA
UPDATEA
UPDATEA
R
D
D
D
R
C
UPDATE
D
D
D
R
RANK
A
B
A
B
A
B
DAC39
DAC0
DAC1
Edge6435/6436
C
DACEN
S
R
www.semtech.com
VOUTA_0
VOUTA_1
IOUTD_3
LDOUT
SDOUT
DACOUT