ST3243E ST Microelectronics, ST3243E Datasheet - Page 4

• Manufacturer Part Number: ST3243E
• Description: RS-232 TRANSCEIVER WITH AUTO-POWERDOWN
• Manufacturer: ST Microelectronics

ST3243E
PIN CONFIGURATION
INVALID TRUTH TABLE
OUTPUT CONTROL TRUTH TABLE
4/18
RS-232 SIGNAL PRESENT AT ANY RECEIVER INPUT
FORCE
ON
X
1
0
0
FORCE
OFF
0
1
1
1
SOP, SSOP, TSSOP
VALID RECEIVER
YES
NO
(top view)
LEVEL
YES
NO
X
X
Normal Operating (Force
Shutdown (Force OFF)
OPERATION STATUS
(Auto-powerdown)
(Auto-powerdown)
Normal Operating
Shutdown
ON)
(bottom view, bumps side)
FLIP-CHIP 6x5
ACTIVE
ACTIVE
HIGH Z
HIGH Z
T
INVALID OUTPUT
OUT
H
L
ACTIVE
ACTIVE
ACTIVE
HIGH Z
R
OUT
ACTIVE
ACTIVE
ACTIVE
ACTIVE
R
2OUTB