6420EVM View Datasheet(PDF) - Semtech Corporation

Part Name

Description

Manufacturer

6420EVM

Per-Pin Electronics Companion DAC

Semtech Corporation 

HIGH-PERFORMANCE PRODUCTS – ATE

Circuit Description (continued)

RESET*

Decode and Individual DAC Update

This is a 13-bit latch for DAC

(Note: there are some current output

DACs that require only 6-bit latches)

LQ

EN R

LQ

EN R

.

.

.

ADDRESS

DECODER

ADDR

7

LQ

EN R

13

UPDATE

CE

CK

SDI

RESET*

Delay

DQ

R

LOAD

CENTRAL DAC LATCH

(24 Latches)

RESET

24-BIT SHIFT REGISTER

RESET

Programming Logic

Figure 1. DAC Functionality Block Diagram

 2000 Semtech Corp.

11

Edge6420

DAC

DAC output #0

DAC

DAC output #1

.

.

.

DAC

DAC output #63

CK_OUT

SDO

www .semtech.com

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