The SN54/74LS290 and SN54/74LS293 are high-speed 4-bit ripple type counters partitioned into two sections.
• Corner Power Pin Versions of the LS90 and LS93
• Low Power Consumption . . . Typically 45 mW
• High Count Rates . . . Typically 42 MHz
• Choice of Counting Modes . . . BCD, Bi-Quinary, Binary
• Input Clamp Diodes Limit High Speed Termination Effects
TI
9000
16PDIP
TI
5000
PDIP
TI
3200
PDIP
MOTOROLA/摩托罗拉
880000
NA
TI
2987
DIP
XINBOLE/芯伯乐
20000
DIP14
TI/德州仪器
8635
DIP
TI
200
DIP
SN74LS292N
22
22
TI/德州仪器
8324
DIP14
TI/德州仪器
200
DIP
TI
84
DIP16
TI
560
N/A
TI
5000
DIP
TI
3200
PDIP
SN74LS123N芯片广泛应用于时序控制、计时器、时钟信号生成、频率分频等领域,如数字电子设备、通信设备、工业自动化系统等。
发布时间:2023-07-03