參數(shù)資料
型號: MAX3221EIDBG4
廠商: Texas Instruments
文件頁數(shù): 19/19頁
文件大?。?/td> 0K
描述: IC RS232 3V-5.5V DRVR 16-SSOP
標(biāo)準(zhǔn)包裝: 80
類型: 收發(fā)器
驅(qū)動器/接收器數(shù): 1/1
規(guī)程: RS232
電源電壓: 3 V ~ 5.5 V
安裝類型: 表面貼裝
封裝/外殼: 16-SSOP(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 16-SSOP
包裝: 管件
www.ti.com
PARAMETER MEASUREMENT INFORMATION
TEST CIRCUIT
50
Generator
(see Note B)
FORCEOFF
ROUT
FORCEON
Auto-
powerdown
INVALID
DOUT
DIN
CL = 30 pF
(see Note A)
2.7 V
0.3 V
0 V
Valid RS-232 Level, INVALID High
Indeterminate
If Signal Remains Within This Region
For More Than 30
s, INVALID Is Low
Valid RS-232 Level, INVALID High
Auto-powerdown disables drivers and reduces supply
current to 1
A.
NOTES: A. CL includes probe and jig capacitance.
B. The pulse generator has the following characteristics: PRR = 5 kbit/s, ZO = 50 , 50% duty cycle, tr ≤ 10 ns, tf ≤ 10 ns.
VOLTAGE WAVEFORMS
3 V
2.7 V
INVALID
Output
Receiver
Input
tvalid
0 V
3 V
VCC
0 V
≈V+
0 V
≈V
V+
VCC
ten
V
50% VCC
2.7 V
0.3 V
tinvalid
Supply
Voltages
EN = GND
3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER
WITH 15-kV IEC ESD PROTECTION
SLLS686A – OCTOBER 2005 – REVISED MAY 2006
Figure 5. INVALID Propagation Delay Times and Driver Enabling Time
9
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