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參數(shù)資料
| 型號： | MAX214EWI+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC TXRX RS-232 PROG 28-SOIC |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 收發(fā)器 |
| 驅(qū)動器/接收器數(shù)： | 3/5 |
| 規(guī)程： | RS232 |
| 電源電壓： | 4.5 V ~ 5.5 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 28-SOIC（0.295"，7.50mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 28-SOIC W |
| 包裝： | 帶卷 (TR) |
MAX214
Programmable DTE/DCE,
+5V RS-232 Transceiver
_______________________________________________________________________________________
3
PARAMETER
Transmitter + to - Propagation-Delay
Difference (Normal Operation)
MIN
TYP
MAX
100
UNITS
Input Leakage Current
ns
±1
Receiver Propagation Delay,
RS-232 to TTL (Normal Operation)
A
Logic Input Threshold High
1.3
2.0
V
Logic Input Threshold Low
0.8
1.3
s
V
Receiver Propagation Delay,
RS-232 to TTL (Shutdown Mode)
Data Rate
20
kbps
1.5
10
s
Receiver Propagation-Delay Difference
(Normal Operation)
Transition-Region Slew Rate
612
30
100
V/
s
Transmitter Propagation Delay,
TTL to RS-232 (Normal Operation)
ns
1.4
3.5
s
Transmitter Enable Time
VCC Supply Current
250
s
Transmitter Disable Time
600
ns
Transmitter DTE/DCE Switch Time
600
ns
Receiver DTE/DCE Switch Time
920
mA
300
ns
Receiver Termination-Resistor
Connect/Disconnect Time
Shutdown Supply Current
300
ns
420
A
Receiver Termination-Resistor Connect
Entering SHDN Time
250
s
Receiver Termination-Resistor
Disconnect Exiting SHDN Time
300
ns
CONDITIONS
tPHLT - tPLHT
Receivers in shutdown mode
tPLHR
tPHLT - tPLHT
TA = +25°C, VCC = 5V, RL = 3k
to 7k,
CL = to 2500pF,
measured from 3V to -3V or -3V to 3V
tPLHT
tTEN (includes charge-pump start-up time)
tTTR
tTSW
No load, TA = +25°C
tRSW
(SHDN = 0V)
DTE/DCE = 0V, SHDN =
HI-Z = VCC, Figure 1
ELECTRICAL CHARACTERISTICS (continued)
(VCC = 4.5V to 5.5V, C1 to C4 = 1F, TA = TMIN to TMAX, unless otherwise noted.)
TA = TMIN to TMAX
TA = +25°C
Normal operation, transmitters and receivers
tPHLT
200
116
1.3
3.5
tPHLR, tPLHR
0.4
1.5
tPHLR
0.4
10
Note 1:
The 300
minimum is the EIA/TIA-232E specification, but the actual resistance when in shutdown mode or when V
CC = 0V
is typically 300k
.
50
MODE-CHANGE TIMING (DTE/DCE)
AC CHARACTERISTICS
POWER SUPPLY
CONTROL LOGIC (DTE/DCE, SHDN, HI-Z)
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