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參數(shù)資料
| 型號： | ISL8485 |
| 廠商： | Intersil Corporation |
| 英文描述： | 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers(5V, 低功率, 高速或帶有限斜率功能的RS-485/RS-422收發(fā)器) |
| 中文描述： | 5V，低功耗，高速或擺率限制，RS-485/RS-422收發(fā)器（5V的，低功率，高速或帶有限斜率功能的的RS-485/RS-422收發(fā)器） |
| 文件頁數(shù)： | 7/16頁 |
| 文件大?。?/td> | 575K |
| 代理商： | ISL8485 |
7
FN6046.8
February 28, 2006
Receiver Disable from Output Low
t
LZ
C
L
= 15pF, SW = V
CC
, Figure 5
Full
-
10
50
ns
Maximum Data Rate
f
MAX
Note 11
Full
250
-
-
kbps
Time to Shutdown (ISL8483 only)
t
SHDN
Note 7
Full
50
200
600
ns
Driver Enable from Shutdown to
Output High (ISL8483 only)
t
ZH(SHDN)
C
L
= 100pF, SW = GND, Figure 3, Notes 7, 8
Full
-
-
2000
ns
Driver Enable from Shutdown to
Output Low (ISL8483 only)
t
ZL(SHDN)
C
L
= 100pF, SW = V
CC
, Figure 3, Notes 7, 8
Full
-
-
2000
ns
Receiver Enable from Shutdown to
Output High (ISL8483 only)
t
ZH(SHDN)
C
L
= 15pF, SW = GND, Figure 5, Notes 7, 9
Full
-
-
2500
ns
Receiver Enable from Shutdown to
Output Low (ISL8483 only)
t
ZL(SHDN)
C
L
= 15pF, SW = V
CC
, Figure 5, Notes 7, 9
Full
-
-
2500
ns
NOTES:
2. All currents into device pins are positive; all currents out of device pins are negative. All voltages are referenced to device ground unless
otherwise specified.
3. Supply current specification is valid for loaded drivers when DE = 0V.
4. Applies to peak current. See “Typical Performance Curves” for more information.
5. When testing the ISL8483, keep RE = 0 to prevent the device from entering SHDN.
6. When testing the ISL8483, the RE signal high time must be short enough (typically <200ns) to prevent the device from entering SHDN.
7. The ISL8483 is put into shutdown by bringing RE high and DE low. If the inputs are in this state for less than 50ns, the parts are guaranteed not
to enter 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” section.
8. Keep RE = V
CC
, and set the DE signal low time >600ns to ensure that the device enters SHDN.
9. Set the RE signal high time >600ns to ensure that the device enters SHDN.
10. Devices meeting these limits are denoted as “single unit load (1 UL)” transceivers. The RS-485 standard allows up to 32 Unit Loads on the bus.
11. Guaranteed by characterization, but not tested.
Test Circuits and Waveforms
FIGURE 1. DRIVER V
OD
AND V
OC
Electrical Specifications
Test Conditions: V
CC
= 4.5V to 5.5V; Unless Otherwise Specified.
Typicals are at V
CC
= 5V, T
A
= 25°C, Note 2
(Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
(°C)
MIN
TYP
MAX
UNITS
D
DE
DI
V
CC
V
OD
V
OC
R
R
Z
Y
ISL8483, ISL8485, ISL8488, ISL8489, ISL8490, ISL8491
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| ISL8489 | 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers(5V, 低功率, 高速或帶有限斜率功能的RS-485/RS-422收發(fā)器) |
| ISL8488 | 5V, Low Power, High Speed or Slew Rate Limited, RS-485/RS-422 Transceivers(5V, 低功率, 高速或帶有限斜率功能的RS-485/RS-422收發(fā)器) |
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| ISL8484IR-T | Ultra Low ON-Resistance, +1.65V to +4.5V, Single Supply, Dual SPDT Analog Switch |
| ISL8484IUZ | Ultra Low ON-Resistance, +1.65V to +4.5V, Single Supply, Dual SPDT Analog Switch |
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| ISL8485CB | 功能描述:TRANSCEIVER RS485/522 5V 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:25 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應商設備封裝:16-PDIP 包裝:管件 |
| ISL8485CB-T | 功能描述:IC TXRX RS485/422 5V ESD 8-SOIC RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動器，接收器，收發(fā)器 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:25 系列:- 類型:收發(fā)器 驅(qū)動器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:4.5 V ~ 5.5 V 安裝類型:通孔 封裝/外殼:16-DIP（0.300"，7.62mm） 供應商設備封裝:16-PDIP 包裝:管件 |
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