参数资料
型号: AT73C224-A
厂商: Atmel
文件页数: 58/75页
文件大小: 0K
描述: IC PWR MGMT ANALOG PMAAC 32QFN
标准包装: 490
应用: 手持/移动设备
电源电压: 2.8 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-VFQFN 裸露焊盘
供应商设备封装: 32-QFN(5x5)
包装: 托盘
7.3
Digital I/Os
Digital I/Os are supplied by VDDIO. VDDIO is an input and must be externally connected.
.
Table 7-3.
VDDIO Referred Digital I/Os
Symbol
VDDIO
V IL
V IH
Parameter
Operating Supply Voltage
Input Low Level Voltage
Input High Level Voltage
Conditions
Min
1.75
-0.3
0.7x
VDDIO
Typ
3.6
Max
5.25
0.3x
VDDIO
VDDIO
+ 0.3
Unit
V
V
V
V OL
V OH
Io
Output Low Level Voltage
Output high Level Voltage
Output Current
0.75x
VDDIO
0.25x
VDDIO
8
V
V
mA
Rp
Pull-Up or Pull Down
resistance
when applicable
90
120
150
k ?
VDDIO referred pins EN, D1, D3, D4: CMOS inputs. Only VIH and VIL parameters are
applicable.
VDDIO referred pins POK: CMOS output. Only VOL, VOH parameters are applicable.
VDDIO referred pin ITB, D2: CMOS BiDir. All parameters applicable.
7.4
Current Consumption Versus Modes
Table 7-4.
Quiescent Current in Different Operating Modes
Status
Conditions
Typ
Battery Current
Max
Off
No battery is present
N/A
N/A
No Main Battery is present
Backup mode
Backup battery present (and charged):
. Running:
Stand by
58
RTC (dig + oscillator 32 kHz) - supply: vbackup pin
Main Battery plugged in and higher than 2.8V
Backup battery present (and charged)
. Power supplies off (BOOST1, BUCK2, LDO3, LDO4)
. Running:
RTC, LDO_RTC - supply: vbat_ldortc
POR, LPBG, VMON - supply: vdd0 pin
AT73C224
1 μA
4μA
9μA
2 μA
7μA
17μA
6266A–PMAAC–08-Sep-08
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