isl33001 Intersil Corporation, isl33001 Datasheet - Page 7

• Manufacturer Part Number: isl33001
• Description: 2-wire Bus Buffer With Rise Time Accelerators And Hot Swap Capability
• Manufacturer: Intersil Corporation

Test Circuits and Waveforms
FIGURE 6. ACCELERATOR CURRENT TEST CIRCUIT
2.7kΩ
I
900Ω
ACC
100kΩ
V
0V
IN
= CΔV/Δt
SCL_OUT
900Ω
100pF
SCL_OUT
SCL_IN
2.7kΩ
SCL_IN
2.7kΩ
2nF
FIGURE 4A. TEST CIRCUIT
FIGURE 5A. TEST CIRCUIT
SCL_OUT
SCL_IN
100pF
GND
GND
7
V
+3.3V
+2.7V
V
CC1
GND
CC1
100pF
V
V
CC1
CC1
SDA_OUT
ISL33001, ISL33002, ISL33003
SDA_IN
SDA_OUT
SDA_IN
100pF
2.7kΩ
SDA_OUT
SDA_IN
900Ω
FIGURE 4. OUTPUT LOW VOLTAGE
FIGURE 5. PROPAGATION DELAY
0V
2.7kΩ
900Ω
2.7kΩ
2.7kΩ
(Continued)
V
IN
FIGURE 7. ACCELERATOR PULSE WIDTH TEST CIRCUIT
SCL_OUT OR
10kΩ
SCL_IN OR
SCL_OUT
SDA_OUT
SDA_OUT
*Propagation delay measured between 50% of V
SDA_IN
FIGURE 4B. MEASUREMENT POINTS
FIGURE 5B. MEASUREMENT POINTS
*
V
X
SCL_OUT
10kΩ
SCL_IN
V
V
OL
OL
*t
PLH
GND
V
V
CC1
CC1
V
V
CC1
CC1
SDA_OUT
SDA_IN
*t
*
(See Figure 20)
PHL
10kΩ
V
X
< V
March 18, 2010
*
V
CC1
X
CC1
FN7560.0
10kΩ