UNLESS OTHERWISE NOTED: TA=0O " />
參數(shù)資料
型號(hào)： XR16L580IMTR-F
廠商： Exar Corporation
文件頁數(shù)： 32/49頁
文件大?。?/td> 0K
描述： IC UART FIFO 16B 48TQFP
標(biāo)準(zhǔn)包裝： 1,500
特點(diǎn)： *
通道數(shù)： 1，UART
FIFO's： 16 字節(jié)
規(guī)程： RS232，RS422
電源電壓： 2.25 V ~ 5.5 V
帶自動(dòng)流量控制功能： 是
帶IrDA 編碼器/解碼器： 是
帶故障啟動(dòng)位檢測功能： 是
帶調(diào)制解調(diào)器控制功能： 是
帶CMOS： 是
安裝類型： 表面貼裝
封裝/外殼： 48-TQFP
供應(yīng)商設(shè)備封裝： 48-TQFP（7x7）
包裝： 帶卷 (TR)
DC ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA=0O TO
O
O TO +85OC FOR INDUSTRIAL GRADE PACKAGE), VCC=2.25- 5.5V
SYMBOL
PARAMETER
LIMITS
MIN
MAX
LIMITS
MIN
MAX
LIMITS
MIN
MAX
UNITS
CONDITIONS
VILCK
Clock Input Low Level
-0.3
0.6
-0.3
0.6
-0.5
0.6
V
VIHCK
Clock Input High Level
1.8
VCC
2.4
VCC
3.0
VCC
V
VIL
Input Low Voltage
-0.3
0.5
-0.3
0.8
-0.5
0.8
V
VIH
Input High Voltage
1.8
5.5
2.0
5.5
2.2
5.5
V
VOL
Output Low Voltage
0.4
V
IOL = 6 mA
IOL = 4 mA
IOL = 2 mA
VOH
Output High Voltage
1.8
2.0
2.4
V
IOH = -6 mA
IOH = -1 mA
IOH = -400 uA
IIL
Input Low Leakage Current
±10
uA
See Test 1A
IIH
Input High Leakage Current
±10
uA
See Test 1B
CIN
Input Pin Capacitance
5
pF
ICC
Power Supply Current
1
2
3
mA
ISLEEP/
IPWRSV
Sleep / Power-Save Current
(16 and 68 modes,
QFN Packages)
6
15
30
uA
See Test 2
ISLEEP/
IPWRSV
Sleep / Power-Save Current
(16 mode, 48-TQFP Package)
65
90
150
uA
See Test 2
ISLEEP/
IPWRSV
Sleep / Power-Save Current
(68 mode, 48-TQFP Package)
130
180
300
uA
See Test 2
XR16L580
38
SMALLEST 2.25V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
REV. 1.4.2
Test 1A: For 48-TQFP package only: The 16/68# pin has an internal pull-up resistor, so the input leakage
current is -80uA max.
Test 1B: For 48-TQFP package only: The PwrSave pin has an internal pull-down resistor, so the input leakage
current is 80uA max.
Test 2: The following inputs must remain steady at VCC or GND state to minimize sleep current: A0-A2, D0-D7,
IOR#, IOW# (R/W#), CS# and all modem inputs. Also, RXA and RXB inputs must idle at logic 1 state while
asleep. Floating inputs may result in sleep currents in the mA range. The 48-TQFP package has a higher
current because of the internal pull-up and pull-down resistors on the 16/68# and PwrSave pins respectively.
For Power-Save, the UART internally isolates all of these inputs (except the modem inputs, 16/68# and Reset
pins) therefore eliminating any unnecessary external buffers to keep the inputs steady.
FEATURE” ON PAGE 20. To achieve minimum power drain, the voltage at any of the inputs of the L580
should NOT be lower than its VCC supply.
70 C (-40
2.5V
3.3V
5.0V
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