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參數(shù)資料
| 型號： | ATR0621N-7FQY |
| 廠商： | ATMEL CORP |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | TELECOM, CELLULAR, BASEBAND CIRCUIT, PBGA100 |
| 封裝： | 9 X 9 MM, 0.80 MM PITCH, ROHS COMPLIANT, LFBGA-100 |
| 文件頁數(shù)： | 17/31頁 |
| 文件大?。?/td> | 477K |
| 代理商： | ATR0621N-7FQY |
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24
4890C–GPS–10/06
ATR0621
5.
RTC Oscillator
Figure 5-1.
Crystal Connection
XT_IN
XT_OUT
RTC
ATR0621 internal
32 kHz
Crystal
Oscillator
32.768 kHz clock
32.768 kHz
50 ppm
C
C = 2
× C
load, Cload can be derived from the crystal datasheet. Maximum value for C is 25 pF.
6.
Absolute Maximum Ratings
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Parameters
Pin
Symbol
Min.
Max.
Unit
Operating free air temperature range
–40
+85
°C
Storage temperature
–60
+150
°C
DC supply voltage
VDD18
–0.3
+1.95
V
DC supply voltage
VDDIO
–0.3
+3.6
V
DC supply voltage
VDD_USB
–0.3
+3.6
V
DC supply voltage
LDO_IN
–0.3
+3.6
V
DC supply voltage
LDOBAT_IN
–0.3
+3.6
V
DC supply voltage
VBAT
–0.3
+3.6
V
DC input voltage
EM_DA0 to EM_DA15, P0,
P3 to P7, P10, P11, P15,
P28, P30, SIGHI, SIGLO,
CLK23, XT_IN, TMS, TCK,
TDI, NTRST, DBG_EN,
LDO_EN, NRESET
–0.3
+1.95
V
DC input voltage
USB_DM, USB_DP
–0.3
+3.6
V
DC input voltage
P1, P2, P8, P9, P12 to P14,
P16 to P27, P29, P31
–0.3
+5.0
V
Note:
Minimum/maximum limits are at +25°C ambient temperature, unless otherwise specified
7.
Thermal Resistance
Parameters
Symbol
Value
Unit
Junction ambient, according to JEDEC51-9
R
thJA
36.9
K/W
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