74LS195A   数据手册 ( 数据表 )

ON Semiconductor

Universal 4-Bit Shift Register

Motorola => Freescale

UNIVERSAL 4-BIT SHIFT REGISTER

Hitachi -> Renesas Electronics

4-bit Parallel-Access Shift Registers

ON Semiconductor

PRESETTABLE BCD/DECADE UP/DOWN COUNTER PRESETTABLE 4-BIT BINARY UP/DOWN COUNTER

Motorola => Freescale

Synchronous Decade Counters(direct clear)

Motorola => Freescale

4-BIT BIDIRECTIONAL UNIVERSAL SHIFT REGISTER

Motorola => Freescale

PRESETTABLE BCD/DECADE PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

Hitachi -> Renesas Electronics

Synchronous Up / Down Decade Counters (dual clock lines)

Motorola => Freescale

PRESETTABLE BCD/DECADE PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS

Motorola => Freescale

4-STAGE PRESETTABLE RIPPLE COUNTERS

ON Semiconductor

LOW POWER SCHOTTKY

Fairchild Semiconductor

Synchronous 4-Bit Binary Counters