第二锁存电路锁存所述第一和第二电压信号，并且响应于第三控制信号而输出第二输出信号。
A second latch circuit latches the first and second voltage signals and outputs a second output signal in response to a third control signal.
第一锁存电路锁存所述第三和第四电压信号，并且响应于该第二控制信号而输出第一输出信号。
A first latch circuit latches the third and fourth voltage signals, and outputs a first output signal in response to the second control signal.
每个器件都有一个八位CMOS移位寄存器和CMOS控制电路，八个CMOS数据锁存，八个双极电流吸收达林顿输出驱动器。
Each device has an eight-bit CMOS shift register and CMOS control circuitry, eight CMOS data latches, and eight bipolar current-sinking Darlington output drivers.
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