
4
TGoddard/SP333/9617R0
SP333 RS-232/AppleTalk Programmable Transceiver
Copyright 2000 Sipex Corporation
SPECIFICATIONS
(CONTINUED)
T
MIN
to T
MAX
and V
CC
= 5V
±
5% unless otherwise noted.
PARAMETER
RS-232 Receiver
Low Threshold
Input Voltage Range
Input Impedance
Hysteresis
Transmission Rate
Propagation Delay
t
PHL
t
Data Rate
MIN.
TYP.
MAX.
UNITS
CONDITIONS
0.8
-15
3
0.2
10
1.2
Volts
Volts
kOhms
Volts
Mbps
+15
7
1.0
5
V
IN
=
±
15V
V
CC
=+5V
0.5
100
100
600
600
600
ns
ns
kbps
From 50% of V
IN
to 1.5V of R
OUT
From 50% of V
IN
to 1.5V of R
OUT
460
POWER REQUIREMENTS
No Load Supply Current
Shutdown Supply Current
15
25
75
mA
μ
A
No load; V
CC
=5.0V; T
A
=25C
T
A
=25C, V
CC
=5.0V
AC PARAMETERS
Differential Mode
t
PZL
; Enable to Output low
t
PZH
; Enable to Output high
t
PLZ
; Disable from Output low
t
PHZ
; Disable from Output high
200
200
200
200
1000
1000
1000
1000
ns
ns
ns
ns
C
L
=100pF, Figures 2 & 4, S
2
closed
C
L
=100pF, Figures 2 & 4, S
closed
C
L
=15pF, Figures 2 & 4, S
2
closed
C
L
=15pF, Figures 2 & 4, S
1
closed
Receiver Delay Time from Enable Mode to Tri-state Mode
Single-Ended Mode
t
PZL
; Enable to Output low
t
PZH
; Enable to Output high
t
PLZ
; Disable from Output low
t
PHZ
; Disable from Output high
200
200
200
200
1000
1000
1000
1000
ns
ns
ns
ns
C
RL
=15pF, Figures 1 & 6, S
1
closed
C
RL
=15pF, Figures 1 & 6, S
2
closed
C
RL
=15pF, Figures 1 & 6, S
1
closed
C
RL
=15pF, Figures 1 & 6, S
2
closed
Differential Mode
t
PZL
; Enable to Output low
t
PZH
; Enable to Output high
t
PLZ
; Disable from Output low
t
PHZ
; Disable from Output high
200
200
200
200
1000
1000
1000
1000
ns
ns
ns
ns
C
RL
=15pF, Figures 1 & 6, S
1
closed
C
RL
=15pF, Figures 1 & 6, S
2
closed
C
RL
=15pF, Figures 1 & 6, S
1
closed
C
RL
=15pF, Figures 1 & 6, S
2
closed
Notes:
1.
2.
3.
4.
Measured from 2.5V of R
to 2.5V of R
.
Measured from one–half of R
to 2.5V of R
OUT
.
Measured from 1.5V of T
IN
to one–half of T
OUT
.
Measured from 2.5V of R
O
to 0V of A and B.
500
C
L
Output
Under
Test
S
1
S
2
V
CC
1K
1K
C
RL
Receiver
Output
S
1
S
2
Test Point
V
CC
Figure 2. Receiver Timing Test Load
C i r c u i t
Figure 1. Driver Timing Test Load
C i r c u i t