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TC74HC193AP 数据表(PDF) 1 Page - Toshiba Semiconductor

部件名 TC74HC193AP
功能描述  Synchronous Up/Down Binary Counter
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制造商  TOSHIBA [Toshiba Semiconductor]
网页  http://www.semicon.toshiba.co.jp/eng
标志 TOSHIBA - Toshiba Semiconductor

TC74HC193AP 数据表(HTML) 1 Page - Toshiba Semiconductor

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TC74HC193AP/AF/AFN
2007-10-01
1
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74HC193AP,TC74HC193AF,TC74HC193AFN
Synchronous Up/Down Binary Counter
The TC74HC193A are high speed CMOS SYNCHRONOUS
4-BIT UP/DOWN COUNTER fabricated with silicon gate C2MOS
technology.
It achieves the high speed operation similar to equivalent
LSTTL while maintaining the CMOS low power dissipation.
They have a clear input (CLR), a load input ( LOAD ), load data
inputs (A~D), two clock inputs (COUNT UP, COUNT DOWN),
four count data outputs (QA~QD), and other outputs ( CARRY ,
BORROW ).
CLEAR is active high and forces QA thru QD outputs low
independent of the other inputs.
CARRY and BORROW outputs are provided in order to
make a cascade connection without external circuitry.
All inputs are equipped with protection circuits against static
discharge or transient excess voltage.
Features
• High speed: fmax = 54 MHz (typ.) at VCC = 5 V
• Low power dissipation: ICC = 4 μA (max) at Ta = 25°C
• High noise immunity: VNIH = VNIL = 28% VCC (min)
• Output drive capability: 10 LSTTL loads
• Symmetrical output impedance: |IOH| = IOL = 4 mA (min)
• Balanced propagation delays: tpLH ∼− tpHL
• Wide operating voltage range: VCC (opr) = 2~6 V
• Pin and function compatible with 74LS193
Pin Assignment
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74HC193AP
TC74HC193AF
TC74HC193AFN
Weight
DIP16-P-300-2.54A
: 1.00 g (typ.)
SOP16-P-300-1.27A
: 0.18 g (typ.)
SOL16-P-150-1.27
: 0.13 g (typ.)


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