ISL3294EFHZ-T7A Intersil, ISL3294EFHZ-T7A Datasheet - Page 9

• Manufacturer Part Number: ISL3294EFHZ-T7A
• Description: RS-422/RS-485 Interface IC 6LD SNG RS-485 DRVR MED SPD EXT TEMP
• Manufacturer: Intersil

Specifications of ISL3294EFHZ-T7A

• Product Category: RS-422/RS-485 Interface IC
• Rohs: yes
• Data Rate: 20 Mbps
• Operating Supply Voltage: 5 V
• Supply Current: 150 uA
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Package / Case: SOT-23-6
• Function: Transceiver
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Shutdown: Yes

Test Circuits and Waveforms
SIGNAL
GENERATOR
SIGNAL
GENERATOR
V
CC
SIGNAL
GENERATOR
V
CC
OR V
PARAMETER
OR V
L
L
t
t
t
t
HZ
ZH
LZ
ZL
DE
DI
DE
DI
FIGURE 2A. TEST CIRCUIT
FIGURE 3A. TEST CIRCUIT
FIGURE 4A. TEST CIRCUIT
DE
DI
D
ISL3293E, ISL3294E, ISL3295E, ISL3296E, ISL3297E, ISL3298E
D
Z
Y
OUTPUT
FIGURE 2. DRIVER PROPAGATION DELAY AND DIFFERENTIAL TRANSITION TIMES
D
Y
Z
Y/Z
Y/Z
Y/Z
Y/Z
9
Y
Z
54Ω
R
DIFF
1/0
0/1
1/0
0/1
DI
50pF
FIGURE 3. DRIVER ENABLE AND DISABLE TIMES
(Continued)
500Ω
C
D
CD
GND
GND
V
V
SW
CC
CC
SW
FIGURE 4. DRIVER DATA RATE
GND
V
V
CC
OD
+
-
t
SSK
DIFF OUT (Y - Z)
OUT (Y, Z)
OUT (Y, Z)
OUT (Z)
OUT (Y)
= |t
DIFF OUT (Y - Z)
DI
DE
SD1(Y)
DI
t
DDLH
t
t
ZH
ZL
FIGURE 2B. MEASUREMENT POINTS
FIGURE 3B. MEASUREMENT POINTS
FIGURE 4B. MEASUREMENT POINTS
- t
SD2(Y)
t
10%
R
50%
| OR |t
90%
t
SD1
50%
50%
-V
OD
OUTPUT HIGH
SD1(Z)
50%
50%
50%
OUTPUT LOW
- t
SD2(Z)
|
t
t
t
SD2
HZ
50%
50%
LZ
t
DSK
V
V
90%
50%
50%
OH
OL
10%
= |t
September 19, 2007
3V OR V
3V OR V
+V
t
+ 0.25V
- 0.25V
DDHL
t
F
DDLH
OD
0V
0V
3V OR V
0V
+V
- t
L
-V
L
0V
FN6544.0
V
V
V
V
V
0V
OH
OH
OL
CC
OL
DDHL
OD
OD
L
|