Abstract: An integrated circuit having a pinout configuration, having a first configuration of pins and a circuit to change the integrated circuit to a second configuration of pins.

Abstract: An integrated circuit having a pinout configuration, having a first configuration of pins and a circuit to change the integrated circuit to a second configuration of pins.

Abstract: A read channel (18) for use in a mass storage system is provided. The read channel (18) includes a plurality of circuit modules circuit and an error estimation circuit (50). The plurality of circuit modules may include circuitry such as a VGA (40), an LPF (42), and an equalizer (48), for conditioning an analog data signal. The plurality of circuit modules receive the analog data signal from a disk/head assembly (12) and condition the signal to generate a digital data signal. The error estimation circuit (50) receives an analog signal from one of the plurality of circuit modules, such as the equalizer (48), and analyzes the analog signal to generate an analog error output signal (94) that is used in the read channel (18) and provided to external circuitry.

Abstract: A method is disclosed for modifying the operational bandwidth of a signal amplification circuit, comprising the steps of providing an amplification circuit for amplifying the electrical signal, providing circuitry to selectably modify capacitive loading within the amplification circuit and coupled to the amplification circuit, and using the circuitry to selectively modify capacitive loading to alter a dominant pole of the amplification circuit, resulting in a modification of the operational bandwidth of the amplification circuit. A user switchable circuit 220 is coupled to an amplification portion (202, 204, 206, 208, 210, 216, 218) of the amplification circuitry such that a user may selectively activate or deactivate the switchable circuitry, effecting a corresponding and balanced increase or decrease of the capacitive loading within the amplification circuitry.