SN54BCT125A

Features:

* Operating Voltage Range of 4.5 V to 5.5 V
* State-of-the-Art BiCMOS Design
Significantly Reduces I_CCZ
* 3-State Outputs Drive Bus Lines or Buffer
Memory Address Registers


Pinout




Specifications

Supply voltage range, V_CC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . .0.5 V to 7 V
Input voltage range, V_I (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . .0.5 V to 7 V
Voltage range applied to any output in the disabled or power-off state, V_O . . . . . . . ... . . . .0.5 V to 5.5 V
Voltage range applied to any output in the high state, V_O . . . . . . . . . . . . . . . . . . . . . .  . . . . .0.5 V to V_CC
Input clamp current, I_IK (V_I < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . .30 mA
Current into any output in the low state, I_O:SN54BCT125A . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . .96 mA 
                                                                      SN74BCT125A . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . . .128 mA
Package thermal impedance, _JA (see Note 2): D package . . . . . . . . . . . . . . . . . . . . . . .  . .. . ... . . . .86/W
                                                                          N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . .80/W
                                                                          NS package . . . . . . . . . . . . . . . . . . . . . . . . . . ..... . . .76/W
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .65 to 150


Description

The SN54BCT125A bus buffers feature independent line drivers with 3-state outputs. Each output is disabled when the associated output-enable (OE) input is high.

To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor SN54BCT125A is determined by the current-sinking capability of the driver.