参数资料
型号: E6420-EDGE6420
英文描述: Per-Pin Electronics Companion DAC
中文描述: 按针脚电子伴侣援
文件页数: 3/29页
文件大小: 244K
代理商: E6420-EDGE6420
11
2000 Semtech Corp.
www .semtech.com
HIGH-PERFORMANCE PRODUCTS – ATE
Edge6420
Circuit Description (continued)
Figure 1. DAC Functionality Block Diagram
D0:D12
(for
P
arallel
Load)
A0:A6
.
DAC
13
7
SDO
CK_OUT
DAC output #1
DAC output #0
24-BIT SHIFT REGISTER
CENTRAL DAC LATCH
(24 Latches)
RESET
LOAD
DQ
R
Decode and Individual DAC Update
Programming Logic
UPDATE
RESET*
CE
CK
SDI
RESET*
This is a 13-bit latch for DAC
(Note: there are some current output
DACs that require only 6-bit latches)
Delay
EN R
Q
L
EN R
Q
L
DAC output #63
DAC
EN R
Q
L
Q63
Q64
Q0
Q1
ADDRESS
DECODER
ADDR
.
DAC
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