参数资料
型号: MC74AC244MR2
厂商: ON SEMICONDUCTOR
元件分类: 总线收发器
英文描述: AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封装: EIAJ, SO-20
文件页数: 5/8页
文件大小: 172K
代理商: MC74AC244MR2
MC74AC244, MC74ACT244
http://onsemi.com
5
AC CHARACTERISTICS (For Figures and Waveforms See Section 3)
Symbol
Parameter
VCC*
(V)
74ACT
Unit
Fig.
No.
TA = +25°C
CL = 50 pF
TA = 40°C
to +85°C
CL = 50 pF
Min
Typ
Max
Min
Max
tPLH
Propagation Delay
Data to Output
5.0
2.0
6.5
9.0
1.5
10.0
ns
35
tPHL
Propagation Delay
Data to Output
5.0
2.0
7.0
9.0
1.5
10.0
ns
35
tPZH
Output Enable Time
5.0
1.5
6.0
8.5
1.0
9.5
ns
37
tPZL
Output Enable Time
5.0
2.0
7.0
9.5
1.5
10.5
ns
38
tPHZ
Output Disable Time
5.0
2.0
7.0
9.5
1.5
10.5
ns
37
tPLZ
Output Disable Time
5.0
2.5
7.5
10.0
2.0
10.5
ns
38
*Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol
Parameter
Value
Typ
Unit
Test Conditions
CIN
Input Capacitance
4.5
pF
VCC = 5.0 V
CPD
Power Dissipation Capacitance
45
pF
VCC = 5.0 V
AC
244
ALYW
AC244
AWLYYWW
MC74AC244N
AWLYYWW
74AC244
AWLYWW
MARKING DIAGRAMS
PDIP20
SO20
TSSOP20
EIAJ20
ACT
244
ALYW
ACT244
AWLYYWW
MC74ACT244N
AWLYYWW
74ACT244
AWLYWW
A
= Assembly Location
WL, L
= Wafer Lot
YY, Y
= Year
WW, W = Work Week
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