ISL32470E Datasheet, PDF (8/19 Pages) Intersil Corporation – Fault Protected, Extended Common Mode Range, RS-485/RS-422 Transceivers

ISL32470E, ISL32472E, ISL32475E, ISL32478E
Electrical Specifications Test Conditions: V_CC = 4.5V to 5.5V; Unless Otherwise Specified. Typicals are V_CC = 5V, T_A = +25°C
(Note 6). Boldface limits apply over the operating temperature range, -40°C to +85°C. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
TEMP
MIN
MAX
(°C) (Note 14) TYP (Note 14) UNITS
RECEIVER SWITCHING CHARACTERISTICS (250kbps Versions; ISL32470E and ISL32472E)
Maximum Data Rate
f_MAX (Figure 7)
Full
0.25
5
-
Mbps
Receiver Input to Output Delay
t_PLH, t_PHL (Figure 7)
Full
-
200
280
ns
Receiver Skew |tPLH - tPHL|
t_SKD (Figure 7)
Full
-
4
10
ns
Receiver Enable to Output Low
t_ZL
R_L = 1kΩ, C_L = 15pF, SW = V_CC (Figure 8),
Full
-
(Note 10)
-
50
ns
Receiver Enable to Output High
t_ZH
R_L = 1kΩ, C_L = 15pF, SW = GND (Figure 8), Full
-
(Note 10)
-
50
ns
Receiver Disable from Output Low
t_LZ
R_L = 1kΩ, C_L = 15pF, SW = V_CC (Figure 8)
Full
-
-
50
ns
Receiver Disable from Output High
t_HZ
R_L = 1kΩ, C_L = 15pF, SW = GND (Figure 8)
Full
-
-
50
ns
Time to Shutdown
t_SHDN (Note 11)
Full
60
160
600
ns
Receiver Enable from Shutdown to t_ZH(SHDN) R_L = 1kΩ, C_L = 15pF, SW = GND (Figure 8), Full
-
Output High
(Notes 11, 13)
-
2000
ns
Receiver Enable from Shutdown to t_ZL(SHDN) R_L = 1kΩ, C_L = 15pF, SW = V_CC (Figure 8),
Full
-
Output Low
(Notes 11, 13)
-
2000
ns
RECEIVER SWITCHING CHARACTERISTICS (1Mbps Versions; ISL32475E)
Maximum Data Rate
f_MAX (Figure 7)
Full
1
15
-
Mbps
Receiver Input to Output Delay
t_PLH, t_PHL (Figure 7)
Full
-
90
150
ns
Receiver Skew |t_PLH - tPH|
t_SKD (Figure 7)
Full
-
4
10
ns
Receiver Enable to Output Low
t_ZL
R_L = 1kΩ, C_L = 15pF, SW = V_CC (Figure 8),
Full
-
(Note 10)
-
50
ns
Receiver Enable to Output High
t_ZH
R_L = 1kΩ, C_L = 15pF, SW = GND (Figure 8), Full
-
(Note 10)
-
50
ns
Receiver Disable from Output Low
t_LZ
R_L = 1kΩ, C_L = 15pF, SW = V_CC (Figure 8)
Full
-
-
50
ns
Receiver Disable from Output High
t_HZ
R_L = 1kΩ, C_L = 15pF, SW = GND (Figure 8)
Full
-
-
50
ns
Time to Shutdown
t_SHDN (Note 11)
Full
60
160
600
ns
Receiver Enable from Shutdown to t_ZH(SHDN) R_L = 1kΩ, C_L = 15pF, SW = GND (Figure 8), Full
-
Output High
(Notes 11, 13)
-
2000
ns
Receiver Enable from Shutdown to t_ZL(SHDN) R_L = 1kΩ, C_L = 15pF, SW = V_CC (Figure 8),
Full
-
Output Low
(Notes 11, 13)
-
2000
ns
RECEIVER SWITCHING CHARACTERISTICS (15Mbps Versions; ISL32478E)
Maximum Data Rate
f_MAX (Figure 7)
Full
15
25
-
Mbps
Receiver Input to Output Delay
t_PLH, t_PHL (Figure 7)
Full
-
35
70
ns
Receiver Skew |t_PLH - t_PHL|
t_SKD (Figure 7)
Full
-
4
10
ns
Receiver Enable to Output Low
t_ZL
R_L = 1kΩ, C_L = 15pF, SW = V_CC (Figure 8),
Full
-
(Note 10)
-
50
ns
Receiver Enable to Output High
t_ZH
R_L = 1kΩ, C_L = 15pF, SW = GND (Figure 8), Full
-
(Note 10)
-
50
ns
Receiver Disable from Output Low
t_LZ
R_L = 1kΩ, C_L = 15pF, SW = V_CC (Figure 8)
Full
-
Receiver Disable from Output High
t_HZ
R_L = 1kΩ, C_L = 15pF, SW = GND (Figure 8)
Full
-
-
50
ns
-
50
ns
8
FN7784.0
January 21, 2011