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參數(shù)資料
| 型號： | MAX214EWI+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 3/12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
______________________________________________________________________________________
11
PARAMETER
CONDITIONS
Driver Output
Resistance
-2V < VOUT < +2V
Transition Rate on
Driver Output
V.28
Instantaneous
Slew Rate, Max
3k
to 7k load
300
100mA
30V/
s
+5.0V to +15V
-5.0V to -15V
3k
to 7k load
3k
≤ RL ≤ 7k,
CL ≤ 2500pF
EIA/TIA-232E
4% of the period
EIA/TIA-232E, V.28
SPECIFICATIONS
Driver Output
Voltage
0 Level
1 Level
Output Level, Max
Driver Output
Short-Circuit
Current, Max
1ms or 3% of the
period
DB9 PIN
DB25 PIN
NAME
SYMBOL
FUNCTION
1
8
DCD
Handshake from DCE
2
3
Receive Data
RxD
Data from DCE
3
2
Transmit Data
Data from DTE
4
20
Data Terminal Ready
DTR
Handshake from DTE
5
7
Signal Ground
GND
6
Data Set Ready
DSR
Handshake from DCE
7
4
Request to Send
RTS
Handshake from DTE
8
5
Clear to Send
CTS
Handshake from DCE
9
22
Ring Indicator
RI
Handshake from DCE
Reference point for signals
Received Line Signal Detector, sometimes
called Data Carrier Detect
TxD
Table 3. Summary of EIA/TIA-232E, V.28
Specifications
Table 4. DB9/DB25 Cable Connections Commonly Used for EIA/TIA-232 and V.24
Asynchronous Interfaces
Data Rate
3k
≤ RL ≤ 7k,
CL ≤ 2500pF
Up to 20kbits/sec
No load
±25V
-3.0V to -15V
±25V
+3.0V to +15V
Receiver Input
Voltage
0 Level
1 Level
Input Level, Max
___________________Chip Topography
TRANSISTOR COUNT: 694;
SUBSTRATE CONNECTED TO V+.
TC
0.178"
4.52mm
0.156"
3.96mm
RB
RC
DTE/DCE
TRB
RTB
HI-Z
C2+
C1+
SHDN
TB
RTA
TRA
RE
RDC
RA
TA
C2-
C1-
RDTC
RRE
GND
V-
V+
VCC
RTC
TRC
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