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参数资料
| 型号： | MAX7301ATL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/17页 |
| 文件大小： | 0K |
| 描述： | IC I/O EXPANDER SPI 28B 40TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 接口： | SPI/QSPI?/MICROWIRE? |
| 输入/输出数： | 28 |
| 中断输出： | 是 |
| 频率 - 时钟： | 26MHz |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（6x6） |
| 包装： | 带卷 (TR) |
MAX7301
4-Wire-Interfaced, 2.5V to 5.5V, 20-Port and
28-Port I/O Expander
_______________________________________________________________________________________
3
Note 1: All parameters tested at TA = +25°C. Specifications over temperature are guaranteed by design.
Note 2: Guaranteed by design.
ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuit, V+ = 2.5V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Port Sink Current
IOL
VPORT = 0.6V
2
10
18
mA
Output Short-Circuit Current
IOLSC
Port configured output low, shorted to V+
2.75
11
20.00
mA
V+
≤ 3.3V
1.6
Input High-Voltage SCLK, DIN,
CS
VIH
V+ > 3.3V
2
V
Input Low-Voltage SCLK, DIN,
CS
VIL
0.6
V
Input Leakage Current SCLK,
DIN,
CS
IIH, IIL
-50
+50
nA
Output High-Voltage DOUT
VOH
ISOURCE = 1.6mA
V+ -
0.5
V
Output Low-Voltage DOUT
VOL
ISINK = 1.6mA
0.4
V
TIMING CHARACTERISTICS (Figure 3)
(V+ = 2.5V to 5.5V, TA = TMIN to TMAX, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
CLK Clock Period
tCP
38.4
ns
CLK Pulse Width High
tCH
19
ns
CLK Pulse Width Low
tCL
19
ns
CS Fall to SCLK Rise Setup Time
tCSS
9.5
ns
CLK Rise to
CS Rise Hold Time
tCSH
0ns
DIN Setup Time
tDS
9.5
ns
DIN Hold Time
tDH
0ns
Output Data Propagation Delay
tDO
CLOAD = 25pF
21
ns
Minimum
CS Pulse High
tCSW
19
ns
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