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74ALVT16821DGG Datasheet(PDF) 7 Page - NXP Semiconductors |
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74ALVT16821DGG Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 13 page Philips Semiconductors Product specification 74ALVT16821 2.5V/3.3V 20-bit bus-interface D-type flip-flop; positive-edge trigger (3-State) 1998 Feb 13 7 AC SETUP REQUIREMENTS (3.3V "0.3V RANGE) GND = 0V, tR = tF = 2.5ns, CL = 50pF, RL = 500Ω LIMITS SYMBOL PARAMETER WAVEFORM Tamb = -40 to +85oC VCC = +3.3V ±0.3V UNIT MIN TYP ts(H) ts(L) Setup time, High or Low nDx to nCP 2 1.5 1.5 0.1 0.1 ns th(H) th(L) Hold time, High or Low nDx to nCP 2 0.5 0.5 0.1 0.1 ns tw(H) tw(L) nCP pulse width High or Low 1 1.5 1.5 ns DC ELECTRICAL CHARACTERISTICS (2.5V "0.2V RANGE) LIMITS SYMBOL PARAMETER TEST CONDITIONS Temp = -40 °C to +85°C UNIT MIN TYP1 MAX VIK Input clamp voltage VCC = 2.3V; IIK = –18mA –0.85 –1.2 V VOH High-level output voltage VCC = 2.3 to 3.6V; IOH = –100µA VCC–0.2 VCC V VOH High-level out ut voltage VCC = 2.3V; IOH = –8mA 1.8 2.1 V VCC = 2.3V; IOL = 100µA 0.07 0.2 VOL Low-level output voltage VCC = 2.3V; IOL = 24mA 0.3 0.5 V VCC = 2.3V; IOL = 8mA 0.4 VRST Power-up output low voltage7 VCC = 2.7V; IO = 1mA; VI = VCC or GND 0.55 V VCC = 2.7V; VI = VCC or GND Control pins 0.1 ±1 II Input leakage current VCC = 0 or 2.7V; VI = 5.5V 0.1 10 µA II In ut leakage current VCC = 2.7V; VI = VCC Data pins4 0.1 1 µA VCC = 2.7V; VI = 0 Data ins4 0.1 -5 IOFF Off current VCC = 0V; VI or VO = 0 to 4.5V 0.1 "100 µA IHOLD Bus Hold current VCC = 2.3V; VI = 0.7V 90 µA HOLD Data inputs6 VCC = 2.3V; VI = 1.7V –10 µA IEX Current into an output in the High state when VO > VCC VO = 5.5V; VCC = 2.3V 10 125 µA IPU/PD Power up/down 3-State output current3 VCC ≤ 1.2V; VO = 0.5V to VCC; VI = GND or VCC OE/OE = Don’t care 1 "100 µA IOZH 3-State output High current VCC = 2.7V; VO = 2.3V; VI = VIL or VIH 0.5 5 µA IOZL 3-State output Low current VCC = 2.7V; VO = 0.5V; VI = VIL or VIH 0.5 –5 µA ICCH VCC = 2.7V; Outputs High, VI = GND or VCC, IO = 0 0.04 0.1 ICCL Quiescent supply current VCC = 2.7V; Outputs Low, VI = GND or VCC, IO = 0 2.3 4.5 mA ICCZ VCC = 2.7V; Outputs Disabled; VI = GND or VCC, IO = 05 0.04 0.1 ∆ICC Additional supply current per input pin2 VCC = 2.3V to 2.7V; One input at VCC–0.6V, Other inputs at VCC or GND 0.04 0.4 mA NOTES: 1. All typical values are at VCC = 2.5V and Tamb = 25°C. 2. This is the increase in supply current for each input at the specified voltage level other than VCC or GND 3. This parameter is valid for any VCC between 0V and 1.2V with a transition time of up to 10msec. From VCC = 1.2V to VCC = 2.5V ± 0.3V a transition time of 100 µsec is permitted. This parameter is valid for Tamb = 25°C only. 4. Unused pins at VCC or GND. 5. ICCZ is measured with outputs pulled up to VCC or pulled down to ground. 6. Not guaranteed. 7. For valid test results, data must not be loaded into the flip-flops (or latches) after applying power. |
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