SN74LS293D 数据手册 ( 数据表 ) - Motorola => Freescale
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Motorola => Freescale
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
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DECADE COUNTER; 4-BIT BINARY COUNTER
ON Semiconductor
DECADE COUNTER; 4-BIT BINARY COUNTER
ON Semiconductor
4-Bit Decade Counter • 4-Bit Binary Counter
Fairchild Semiconductor
DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER
ON Semiconductor
DECADE COUNTER / DIVIDE-BY-TWELVE COUNTER / 4-BIT BINARY COUNTER
Motorola => Freescale
DECADE COUNTER; DIVIDE-BY-TWELVE COUNTER; 4-BIT BINARY COUNTER
ON Semiconductor
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
ON Semiconductor
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
ON Semiconductor
DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER
Motorola => Freescale
HC4520 DUAL 4 BIT BINARY COUNTER HC4518 DUAL DECADE COUNTER
STMicroelectronics