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74ABT843 Fiches technique(PDF) 7 Page - NXP Semiconductors |
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74ABT843 Fiches technique(HTML) 7 Page - NXP Semiconductors |
7 / 14 page Philips Semiconductors Product specification 74ABT843 9-bit bus interface latch with set and reset (3-State) 1998 Jan 16 7 AC WAVEFORMS VM = 1.5V, VIN = GND to 3.0V VM VM VM VM tPLH tPHL PRE Qn MR, Dn SA00254 Waveform 1. Propagation Delay, Data to Output, Master Reset to Output, Preset to Output VM Dn VM VM VM VM VM LE ts(H) th(H) ts(L) th(L) VM tw(H) NOTE: The shaded areas indicate when the input is permitted to change for predictable output performance. SA00256 Waveform 3. Data Setup and Hold Times and Latch Enable Pulse Width OE tPZL tPLZ VOL +0.3V Qn VM VM VM VOL SA00109 Waveform 5. 3-State Output Enable Time to Low Level and Output Disable Time from Low Level VM VM VM VM tPLH tPHL LE Qn Dn SA00255 Waveform 2. Propagation Delay, Latch Enable to Output OE VM tPZH tPHZ 0V VOH –0.3V Qn VM VM SA00166 Waveform 4. 3-State Output Enable Time to High Level and Output Disable Time from High Level VM PRE, MR VM Qn tw(L) VM tREC LE Qn SA00257 Waveform 6. Master Reset and Preset Pulse Width, Master Reset and Preset to Latch Enable Recovery Time TEST CIRCUIT AND WAVEFORM |
Numéro de pièce similaire - 74ABT843 |
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Description similaire - 74ABT843 |
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