參數(shù)資料
型號(hào): MAX6954
廠商: Maxim Integrated Products, Inc.
元件分類(lèi): 通用總線功能
英文描述: Dual 4-Bit Decade And Binary Counters 16-CFP -55 to 125
中文描述: 4線接口、2.7V至5.5V LED顯示驅(qū)動(dòng)器,帶有輸入/輸出擴(kuò)展器及鍵掃描
文件頁(yè)數(shù): 4/38頁(yè)
文件大小: 395K
代理商: MAX6954
M
4-Wire Interfac ed, 2.7V to 5.5V LED Display
Driver with I/O Expander and K ey S c an
4
_______________________________________________________________________________________
Typic al Operating Charac teristic s
(V+ = 3.3V, LED forward voltage = 2.4V, typical application circuit, T
A
= +25
°
C, unless otherwise noted.)
TIMING CHARACTERISTICS
(Typical Operating Circuit, V+ = 2.7V to 5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
TIMING CHARACTERISTICS
CLK Clock Period
CLK Pulse Width High
CLK Pulse Width Low
CS
Fall to CLK Rise Setup Time
CLK Rise to
CS
Rise Hold Time
DIN Setup Time
DIN Hold Time
t
CP
t
CH
t
CL
t
CSS
t
CSH
t
DS
t
DH
38.4
16
16
9.5
0
9.5
0
ns
ns
ns
ns
ns
ns
ns
V+ = 3.0V to 5.5V
V+ = 2.7V
C
LOAD
= 10pF, V+ = 3.0V to 5.5V
19
25
10
Output Data Propagation Delay
t
DO
ns
DOUT Output Rise and Fall Times
Minimum
CS
Pulse High
Note 1:
All parameters tested at T
A
= +25
°
C. Specifications over temperature are guaranteed by design.
t
FT
t
CSW
19.5
ns
INTERNAL OSCILLATOR FREQUENCY
vs. TEMPERATURE
M
TEMPERATURE (
°
C)
O
110
80
50
20
-10
3.8
4.0
4.2
4.4
3.6
-40
R
SET
= 56k
C
SET
= 22pF
INTERNAL OSCILLATOR FREQUENCY
vs. SUPPLY VOLTAGE
M
SUPPLY VOLTAGE (V)
O
5.0
4.5
4.0
3.5
3.0
3.8
4.2
4.4
3.6
2.5
5.5
R
SET
= 56k
C
SET
= 22pF
4.0
100ns/div
OSC: 500mV/div
OSC_OUT: 2V/div
MAX6954 toc03
OSC
0V
0V
OSC_OUT
INTERNAL OSCILLATOR WAVEFORM
AT OSC AND OSC_OUT PINS
R
SET
= 56k
C
SET
= 22pF
相關(guān)PDF資料
PDF描述
MAX6954AAX Dual 4-Bit Decade And Binary Counters 20-LCCC -55 to 125
MAX6957 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
MAX6957AAI 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
MAX6957AAX 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
MAX6957AGL 4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and 28-Port LED Display Driver and I/O Expander
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MAX6954AAX+T 功能描述:LED顯示驅(qū)動(dòng)器 2.7-5.5V LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
MAX6954AAX-T 功能描述:LED顯示驅(qū)動(dòng)器 2.7-5.5V LED Display Driver RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube
MAX6954APL 功能描述:LED顯示驅(qū)動(dòng)器 RoHS:否 制造商:Micrel 數(shù)位數(shù)量:5 片段數(shù)量: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PLCC-44 工作電源電壓:4.75 V to 11 V 最大電源電流:10 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Tube