TC74AC299P(2007) View Datasheet(PDF) - Toshiba
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TC74AC299P Datasheet PDF : 9 Pages
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TC74AC299P/F
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74AC299P,TC74AC299F
8-Bit PIPO Shift Register with Asynchronousclear
The TC74AC299 is an advanced high speed CMOS 8-BIT PIPO
SHIFT REGISTER fabricated with silicon gate and double-layer
metal wiring C2MOS technology.
It achieves the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
It has a four modes (HOLD, SHIFT LEFT, SHIFT RIGHT and
LOAD DATA) controlled by the two selection inputs (S0, S1).
When one or both enable ( G1 , G2 ) are high, the eight I/O
outputs are forced to the high-impedance state; however,
sequential operation or clearing of the register is not affected.
All inputs are equipped with protection circuits against static
discharge or transient excess voltage.
TC74AC299P
TC74AC299F
Features (Note 1)(Note 2)
• High speed: fmax = 150 MHz (typ.) at VCC = 5 V
• Low power dissipation: ICC = 8 μA (max) at Ta = 25°C
• High noise immunity: VNIH = VNIL = 28% VCC (min)
• Symmetrical output impedance: |IOH| = IOL = 24 mA (min)
Capability of driving 50 Ω
tansmission lines.
• Balanced propagation delays: tpLH ∼− tpHL
• Wide operating voltage range: VCC (opr) = 2 to 5.5 V
• Pin and function compatible with 74F299
Weight
DIP20-P-300-2.54A
SOP20-P-300-1.27A
: 1.30 g (typ.)
: 0.22 g (typ.)
Note 1: Do not apply a signal to any bus terminal when it is in the output mode. Damage may result.
Note 2: All floating (high impedance) bus terminals must have their input levels fixed by means of pull up or pull
down resistors.
Pin Assignment
1
2007-10-01
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