ST3243ECTR-E STMicroelectronics, ST3243ECTR-E Datasheet - Page 5

• Manufacturer Part Number: ST3243ECTR-E
• Description: IC TXRX RS232 400KBPS 28-TSSOP
• Manufacturer: STMicroelectronics
• Type: Transceiverr

Specifications of ST3243ECTR-E

• Number Of Drivers/receivers: 3/5
• Protocol: RS232
• Voltage - Supply: 3 V ~ 5.5 V
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6539-2; ST3243ECTR-E

ST3243EB, ST3243EC
2
Table 3.
Table 4.
Force
ON
X
1
0
0
Force
OFF
Truth tables
Invalid truth table
Output control truth table
0
1
1
1
RS-232 Signal present at any receiver input
Valid receiver level
YES
NO
X
X
YES
NO
Doc ID 8648 Rev 12
Normal operating (Force
Shutdown (Force OFF)
(Auto power-down)
(Auto power-down)
Operation status
Normal operating
Shutdown
ON)
ACTIVE
ACTIVE
HIGH Z
HIGH Z
T
OUT
INVALID output
ACTIVE
ACTIVE
ACTIVE
HIGH Z
R
OUT
H
L
Truth tables
ACTIVE
ACTIVE
ACTIVE
ACTIVE
R
2OUTB
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