ZHCSX11B November 1998 – August 2024 CD54AC257 , CD54ACT257 , CD74AC257 , CD74ACT257 , CD74ACT258
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
PARAMETER | SYMBOL | VCC (V) | -40°C TO 85°C | -55°C TO 125°C | UNITS | ||||
---|---|---|---|---|---|---|---|---|---|
MIN | TYP | MAX | MIN | TYP | MAX | ||||
AC TYPES | |||||||||
Propagation Delay, In to Y AC/ACT257 | tPLH, tPHL | 1.5 | - | - | 106 | - | - | 117 | ns |
3.3 (1) | 3.3 | - | 11.8 | 3.3 | - | 13 | ns | ||
5(2) | 2.4 | - | 8.5 | 2.3 | - | 9.3 | ns | ||
Propagation Delay, S to Y AC/ACT257 | tPLH, tPHL | 1.5 | - | - | 153 | - | - | 168 | ns |
3.3 | 4.8 | - | 17.1 | 4.7 | - | 18.8 | ns | ||
5 | 3.5 | - | 12.2 | 3.4 | - | 13.4 | ns | ||
Propagation Delay, OE to Y AC/ACT257 | tPLZ, tPHZ, tPZL, tPZH | 1.5 | - | - | 167 | - | - | 184 | ns |
3.3 | 5.3 | - | 18.7 | 5.2 | - | 20.6 | ns | ||
5 | 3.8 | - | 13.4 | 3.7 | - | 14.7 | ns | ||
Propagation Delay, In to Y ’AC/CD74ACT258 | tPLH, tPHL | 1.5 | - | - | 91 | - | - | 100 | ns |
3.3 | 2.9 | - | 10.2 | 2.8 | - | 11.2 | ns | ||
5 | 2.1 | - | 7.3 | 2 | - | 8 | ns | ||
Propagation Delay, S to Y ’AC/CD74ACT258 | tPLH, tPHL | 1.5 | - | - | 153 | - | - | 168 | ns |
3.3 | 4.8 | - | 17.1 | 4.7 | - | 18.8 | ns | ||
5 | 3.5 | - | 12.2 | 3.4 | - | 13.4 | ns | ||
Propagation Delay, OE to Y ’AC/CD74ACT258 | tPLZ, tPHZ, tPZL, tPZH | 1.5 | - | - | 167 | - | - | 184 | ns |
3.3 | 5.3 | - | 18.7 | 5.2 | - | 20.6 | ns | ||
5 | 3.8 | - | 13.4 | 3.7 | - | 14.7 | ns | ||
Three-State Output Capacitance | CO | - | - | - | 15 | - | - | 15 | pF |
Input Capacitance | CI | - | - | - | 10 | - | - | 10 | pF |
Power Dissipation Capacitance | CPD (3) | - | - | 130 | - | - | 130 | - | pF |
ACT TYPES | |||||||||
Propagation Delay, In to Y AC/ACT257 | tPLH, tPHL | 5 (2) | 2.8 | - | 9.7 | 2.7 | - | 10.7 | ns |
Propagation Delay, S to Y AC/ACT257 | tPLH, tPHL | 5 | 4 | - | 14 | 3.9 | - | 15.4 | ns |
Propagation Delay, OE to Y AC/ACT257 | tPLZ, tPHZ, tPZL, tPZH | 5 | 4.1 | - | 14.6 | 4 | - | 16.1 | ns |
Propagation Delay, In to Y ’AC/CD74ACT258 | tPLH, tPHL | 5 | 2.4 | - | 8.5 | 2.3 | - | 9.3 | ns |
Propagation Delay, S to Y ’AC/CD74ACT258 | tPLH, tPHL | 5 | 4 | - | 14 | 3.9 | - | 15.4 | ns |
Propagation Delay, OE to Y ’AC/CD74ACT258 | tPLZ, tPHZ, tPZL, tPZH | 5 | 4.1 | - | 14.6 | 4 | - | 16.1 | ns |
Three-State Output Capacitance | CO | - | - | - | 15 | - | - | 15 | pF |
Input Capacitance | CI | - | - | - | 10 | - | - | 10 | pF |
Power Dissipation Capacitance | CPD(3) | - | - | 130 | - | - | 130 | - | pF |
AC: PD = CPD VCC 2 fi + ∑ (CL VCC 2 fo)
ACT: PD = CPD VCC 2 fi + ∑ (CL VCC 2 fo) + VCC ΔICC where fi = input frequency, fo = output frequency, CL = output load capacitance, VCC = supply voltage.