Electronic Components Datasheet Search |
|
74HC257N Datasheet(PDF) 6 Page - NXP Semiconductors |
|
74HC257N Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 13 page 1998 Sep 30 6 Philips Semiconductors Product specification Quad 2-input multiplexer; 3-state 74HC/HCT257 DC CHARACTERISTICS FOR 74HCT For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: bus driver ICC category: MSI Note to HCT types The value of additional quiescent supply current ( ∆I CC) for a unit load of 1 is given in the family specifications. To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below. AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr =tf = 6 ns; CL = 50 pF INPUT UNIT LOAD COEFFICIENT nI0 0.40 nI1 0.40 OE 1.35 S 0.70 SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HCT VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min. typ. max. min. max. min. max. tPHL/ tPLH propagation delay 16 30 38 45 ns 4.5 Fig.6 nI0 to nY nI1 to nY tPHL/ tPLH propagation delay S to nY 20 35 44 53 ns 4.5 Fig.6 tPZH/ tPZL 3-state output enable time OE to nY 15 30 38 45 ns 4.5 Fig.7 tPHZ/ tPLZ 3-state output disable time OE to nY 16 30 38 45 ns 4.5 Fig.7 tTHL/ tTLH output transition time 5 12 15 18 ns 4.5 Fig.6 |
Similar Part No. - 74HC257N |
|
Similar Description - 74HC257N |
|
|
Link URL |
Privacy Policy |
ALLDATASHEET.NET |
Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |