REV. 1.0.2 Test 1: The following inputs must remain steady at VCC o" />
參數(shù)資料
型號: XR16V2651IL-F
廠商: Exar Corporation
文件頁數(shù): 32/51頁
文件大?。?/td> 0K
描述: IC UART FIFO 32B DUAL 32QFN
標(biāo)準(zhǔn)包裝: 490
特點: *
通道數(shù): 2,DUART
FIFO's: 32 字節(jié)
規(guī)程: RS232,RS422
電源電壓: 2.25 V ~ 3.6 V
帶自動流量控制功能:
帶IrDA 編碼器/解碼器:
帶故障啟動位檢測功能:
帶調(diào)制解調(diào)器控制功能:
帶CMOS:
安裝類型: 表面貼裝
封裝/外殼: 32-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 32-QFN 裸露焊盤(5x5)
包裝: 托盤
XR16V2651
38
HIGH PERFORMANCE DUART WITH 32-BYTE FIFO AND POWERSAVE FEATURE
REV. 1.0.2
Test 1: The following inputs must remain steady at VCC or GND state to minimize sleep current: A0-A2, D0-D7,
IOR#, IOW# (R/W#), CSA# (CS#), CSB# (A3) and all modem inputs. Also, RXA and RXB inputs must idle
HIGH while asleep. Floating inputs may result in sleep currents in the mA range.
For PowerSave, the UART internally isolates all of these inputs (except the modem inputs) therefore
eliminating any unnecessary external buffers to keep the inputs steady. SEE”POWERSAVE FEATURE” ON
ABSOLUTE MAXIMUM RATINGS
Power Supply Range
7 Volts
Voltage at Any Pin
GND-0.3V to 7V
Operating Temperature
-40o to +85oC
Storage Temperature
-65o to +150oC
Package Dissipation
500 mW
TYPICAL PACKAGE THERMAL RESISTANCE DATA (MARGIN OF ERROR: ± 15%)
Thermal Resistance (32-QFN)
theta-ja =33oC/W, theta-jc = 22oC/W
Thermal Resistance (48-TQFP)
theta-ja =59oC/W, theta-jc = 16oC/W
ELECTRICAL CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS
TA = -40O TO +85OC, VCC IS 2.25V TO 3.6V
SYMBOL
PARAMETER
LIMITS
2.5V
MIN
MAX
LIMITS
3.3V
MIN
MAX
UNITS
CONDITIONS
VILCK
Clock Input Low Level
-0.3
0.4
-0.3
0.6
V
VIHCK
Clock Input High Level
2.0
VCC
2.4
VCC
V
VIL
Input Low Voltage
-0.3
0.5
-0.3
0.7
V
VIH
Input High Voltage
1.8
5.5
2.0
5.5
V
VOL
Output Low Voltage
0.4
V
IOL = 6 mA
IOL = 4 mA
VOH
Output High Voltage
1.8
2.0
V
IOH = -4 mA
IOH = -2 mA
IIL
Input Low Leakage Current
±10
uA
IIH
Input High Leakage Current
±10
uA
CIN
Input Pin Capacitance
5
pF
ICC
Power Supply Current
1.5
2.5
mA
Ext Clk = 2 MHz
ISLEEP
Sleep Current
15
30
uA
See Test 1
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