參數(shù)資料
型號(hào): 5962-8865002RX
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: ADC
英文描述: 1-CH 8-BIT FLASH METHOD ADC, PARALLEL ACCESS, CDIP20
封裝: CERAMIC, DIP-20
文件頁數(shù): 11/12頁
文件大?。?/td> 359K
代理商: 5962-8865002RX
SET/RESET Functions
The MAX4820/MAX4821 feature set and reset inputs that
allow the user to simultaneously turn all outputs on or off
using a single control line. Drive SET low to set all latch-
es and registers to 1 and turn all outputs on. SET over-
rides all serial/parallel control inputs. Drive RESET low to
clear all latches and registers and turn all outputs off.
RESET overrides all other inputs, including SET.
Applications Information
Daisy Chaining
The MAX4820 features a digital output, DOUT, that pro-
vides a simple way to daisy chain multiple devices. This
feature allows the user to drive large banks of relays
using only a single serial interface. To daisy chain multi-
ple devices, connect all CS pins together, and connect
the DOUT of one device to the DIN of another device
(see Figure 3). During operation, a stream of serial data
+3.3V/+5V, 8-Channel, Cascadable Relay Drivers
with Serial/Parallel Interface
CS
A_
LVL
VOUT
tAS
tAH
tLS
tLH
tON,
tOFF
Figure 2. Parallel Interface Timing Diagram (MAX4821 only)
MAX4820
DIN
SCLK
CS
SCLK
DOUT
OUT8
PGND
CS
VCC
0.1
μF
GND
OUT1
MAX4820
DIN
SCLK
DOUT
OUT8
PGND
CS
VCC
0.1
μF
GND
OUT1
MAX4820
DIN
SCLK
DOUT
OUT8
PGND
CS
VCC
0.1
μF
GND
OUT1
SCLK
Figure 3. Daisy-Chain Configuration
Table 2. Parallel Interface Address Map
(MAX4821 Only)
A2
A1
A0
OUTPUT
Low
OUT1
Low
High
OUT2
Low
High
Low
OUT3
Low
High
OUT4
High
Low
OUT5
High
Low
High
OUT6
High
Low
OUT7
High
OUT8
MAX4820/MAX4821
8
Maxim Integrated
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