ISL32437EIBZ-T7A Intersil, ISL32437EIBZ-T7A Datasheet - Page 9

• Manufacturer Part Number: ISL32437EIBZ-T7A
• Description: RS-422/RS-485 Interface IC 40V OVP 15V CMR -40+ 85 3V RS-485 1/2 DUP
• Manufacturer: Intersil

Specifications of ISL32437EIBZ-T7A

• Product Category: RS-422/RS-485 Interface IC
• Rohs: yes
• Data Rate: 250 Kbps
• Operating Supply Voltage: 3 V to 5.5 V
• Supply Current: 2.1 mA
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: SOIC-8
• Function: Transceiver
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Drivers: 1
• Number Of Receivers: 1
• Shutdown: No

Electrical Specifications
case of V
NOTES:
10. Applies to peak current. See “Typical Performance Curves” beginning on page 14 for more information.
11. Keep RE = 0 to prevent the device from entering SHDN (does not apply to the ISL32437E).
12. The RE signal high time must be short enough (typically <100ns) to prevent the device from entering SHDN.
13. Transceivers are put into shutdown by bringing RE high and DE low. If the inputs are in this state for less than 60ns, the parts are guaranteed not to enter
14. Keep RE = VCC, and set the DE signal low time >600ns to ensure that the device enters SHDN.
15. Set the RE signal high time >600ns to ensure that the device enters SHDN.
16. Compliance to data sheet limits is assured by one or more methods: production test, characterization and/or design.
17. See “Caution” statement below the “Recommended Operating Conditions” section on page 6.
18. Does not apply to the ISL32437E. The ISL32437E has no Rx enable function, and thus no SHDN function.
Test Circuits and Waveforms
Receiver Skew |t
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable from Output Low
Receiver Disable from Output High
Time to Shutdown
Receiver Enable from Shutdown to
Output High
Receiver Enable from Shutdown to
Output Low
8. All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless otherwise
9. Supply current specification is valid for loaded drivers when DE = 0V.
specified.
shutdown. If the inputs are in this state for at least 600ns, the parts are guaranteed to have entered shutdown. See “Low Power Shutdown Mode” on
page 13.
CC
V
CC
PARAMETER
ISL32430E, ISL32432E, ISL32433E, ISL32435E, ISL32437E
= 5V or V
DE
DI
PLH
- t
CC
FIGURE 3A. V
PHL
D
= 3.3V, T
|
Y
Z
A
9
= +25°C (Note 8). Boldface limits apply over the operating temperature range, -40°C to +85°C.
OD
t
t
SYMBOL
ZH(SHDN)
ZL(SHDN)
V
t
AND V
OD
t
SHDN
SKD
t
t
t
t
Test Conditions: V
ZH
HZ
ZL
LZ
OC
(Figure 7)
R
(Note 12)
R
(Note 12)
R
R
(Note 13)
R
(Notes 13, 15)
R
(Notes 13, 15)
R
R
L
L
L
L
L
L
L
L
= 1kΩ, C
= 1kΩ, C
= 1kΩ, C
= 1kΩ, C
= 1kΩ, C
= 1kΩ, C
/2
/2
FIGURE 3. DC DRIVER TEST CIRCUITS
V
CC
OC
L
L
L
L
L
L
= 3V to 3.6V and 4.5V to 5.5V; Unless Otherwise Specified. Typicals are at the worst
= 15pF, SW = V
= 15pF, SW = GND (Figure 8),
= 15pF, SW = V
= 15pF, SW = GND (Figure 8)
= 15pF, SW = GND (Figure 8),
= 15pF, SW = V
TEST CONDITIONS
CC
CC
CC
FIGURE 3B. V
(Figure 8),
(Figure 8)
(Figure 8),
V
CC
DE
DI
OD
TEMP
(°C)
Full
Full
Full
Full
Full
Full
Full
Full
WITH COMMON MODE LOAD
D
Z
Y
(Note 16)
MIN
60
-
-
-
-
-
-
-
V
OD
160
TYP
4
-
-
-
-
-
-
R
R
L
L
(Note 16)
/2
/2
2500
2500
MAX
600
20
80
80
80
80
(Continued)
375Ω
375Ω
March 1, 2012
FN7920.0
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
V
CM