CPC5903 Datasheet, PDF (7/15 Pages) IXYS Corporation – Bidirectionally Buffers I2C SDA Signal

INTEGRATED CIRCUITS DIVISION
CPC5903
2 Typical Performance Characteristics
Logic Low Output Levels - Side B
(V_OLB)
1.8
1.6
0.3 • V_DD
1.4
V_OLB _6mA
1.2
1.0
0.8
V_OLB _3mA
V _0.1mA
0.6
OLB
0.4
0.2
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_DD (V)
Noise Margin - Side B
0.45
0.40
0.35
V_{IL_external} = 0.3V_DD
Margin 0.1mA
Margin 3mA
Margin 6mA
0.30
0.25
0.20
0.15
0.10
0.05
0.00
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_DD (V)
Output Voltage vs. Temperature
Side B
(V_DDB=4.5V, I_SINKB=6mA)
1.40
1.35
0.3V_DDB
1.30
1.25
V_OLB
1.20
1.15
1.10
0
20
40
60
80
100
Temperature (ºC)
Logic Low Input Levels - Side B
(V_ILB)
1.8
1.6
1.4
0.3 • V_DD
1.2
1.0
V_ILB
0.8
0.6
0.4
0.2
0.0
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_DD (V)
Output Voltage (V_OLA) Side A
vs. Temperature
(I_SINKA=6mA)
0.55
0.50
0.45
0.40
V_DDA=2.7V
V_DDA=3.3V
V_DDA=5.5V
0.35
0.30
0.25
-40 -20
0 20 40 60
Temperature (ºC)
80 100
Propagation Delay A to B
(V_CC=3.3V, C_L=20pF)
(R_PUA=475Ω, R_PUB=825Ω)
140
t_{PLH_AB}
120
100
80
t_{PHL_AB}
60
40
-60 -40 -20 0 20 40 60 80 100
Temperature (ºC)
Propagation Delay Low to High
B to A to B
(V_CC=3.3V, C_L=20pF)
340
(R_PUA=475Ω, R_PUB=825Ω)
320
300
280
260
240
220
-60 -40 -20 0 20 40 60 80 100
Temperature (ºC)
Self Drive Margin - Side B
0.35
(V_OLB - V_ILB)
0.30
Margin 6mA
0.25
0.20
Margin 3mA
0.15
0.10
Margin 100μA
0.05
0.00
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
V_DD (V)
Output Voltage (V_OLB) - Side B
vs. Temperature
(V_DDB=3.3V, I_SINKB=3mA)
1.05
1.00
0.3V_DDB
0.95
0.90
V_OLB
0.85
0.80
0.75
0.70
-40 -20
0 20 40 60
Temperature (ºC)
80 100
Propagation Delay B to A
(V_CC=3.3V, C_L=20pF)
(R_PUA=475Ω, R_PUB=825Ω)
190
170
150
t
PLH_BA
130
110
90
t
PHL_BA
70
-60 -40 -20 0 20 40 60 80 100
Temperature (ºC)
The performance data shown in the graphs above is typical of device performance. For guaranteed parameters not
indicated in the written specifications, please contact our application department.
R02
www.ixysic.com
7