FEATURES
SN74CBT3253C Functionally Identical to
Industry-Standard ’3253 Function
• Undershoot Protection for Off-Isolation on A
and B Ports up to –2 V
• Bidirectional Data Flow, With Near-Zero
Propagation Delay
• Low ON-State Resistance (r
on) Characteristics
(r
on = 3 Ω Typical)
• Low Input/Output Capacitance Minimizes
Loading and Signal Distortion
(Cio(OFF) = 5.5 pF Typical)
• Data and Control Inputs Provide Undershoot
Clamp Diodes
• Low Power Consumption (ICC = 3 μA Max)
• VCC Operating Range From 4 V to 5.5 V
• Data I/Os Support 0 to 5-V Signaling Levels
(0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)
• Control Inputs Can Be Driven by TTL or
5-V/3.3-V CMOS Outputs
• I
off Supports Partial-Power-Down Mode
Operation
• Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
• ESD Performance Tested Per JESD 22
– 2000-V Human-Body Model
(A114-B, Class II)
– 1000-V Charged-Device Model (C101)
• Supports I
2C Bus Expansion
• Supports Both Digital and Analog
Applications: USB Interface, Bus Isolation,
Low-Distortion Signal Gating
