st3232e STMicroelectronics, st3232e Datasheet - Page 4

• Manufacturer Part Number: st3232e
• Description: ??15kv Esd-protected, 3 To 5.5v, Low Power, Up To 250kbps, Rs-232 Drivers And Receivers
• Manufacturer: STMicroelectronics

ST3232E
RECEIVER ELECTRICAL CHARACTERISTICS
(C
Typical values are referred to T
TIMING CHARACTERISTICS
(C
Typical values are referred to T
Transmitter Skew is measured at the transmitter zero cross points
4/16
Symbol
Symbol
V
- t
- t
|t
V
t
|t
V
t
1
V
V
R
1
t
t
V
RIHYS
PHLR
PLHR
S
OER
ODR
PHLT
PHLR
D
ROH
ROL
THR
THL
RIN
RIH
RIL
RIN
- C
- C
RT
R
|
|
4
4
= 0.1 F tested at V
= 0.1 F, V
Receiver Input Voltage
Operating Range
RS-232 Input Threshold
Low
RS-232 Input Threshold
High
Input Hysteresis
Input Resistance
TTL/CMOS Output Voltage
Low
TTL/CMOS Output Voltage
High
Data Transfer Rate
Propagation Delay Input to
Output
Receiver Output Enable
Time
Receiver Output Disable
Time
Transmitter Propagation
Delay Difference
Receiver Propagation Delay
Difference
Trnasition Slew Rate
Parameter
Parameter
CC
= 3V to 5.5V, T
CC
= 3V to 5.5V, T
A
A
= 25°C )
= 25°C )
T
T
T
T
T
I
I
R
one trasmitter switching
R
Normal Operation
Normal Operation
(Note 1)
T
measured from +3V to -3V or -3V to +3V
C
C
OUT
OUT
A
A
A
A
A
A
L
XIN
L
L
A
= 25° C
= 25° C
= 25° C
= 25° C
= 25° C
= 25° C R
= 3K
= 150pF to 1000pF
= 150pF to 2500pF
= -40 to 85° C, unless otherwise specified.
= 1.6mA
= -1mA
= R
XOUT
Test Conditions
A
Test Conditions
L
V
V
V
V
C
= -40 to 85° C, unless otherwise specified.
= 3K
CC
CC
CC
CC
L2
= 1000pF
= 3.3V
= 5V
= 3.3V
= 5V
C
L
to 7K
= 150pF
V
CC
= 3.3V
V
CC
Min.
-25
0.6
0.8
Min.
250
3
-0.6 V
6
4
CC
Typ.
Typ.
0.15
1.1
1.5
1.4
1.8
0.5
200
50
50
50
5
-0.1
Max.
Max.
2.4
2.4
0.4
25
30
30
7
Kbps
V/ s
V/ s
Unit
Unit
K
ns
ns
ns
ns
V
V
V
V
V
V
s