參數(shù)資料
型號(hào): 74AC244SJ
廠商: Fairchild Semiconductor
文件頁(yè)數(shù): 9/12頁(yè)
文件大小: 0K
描述: IC BUFF/DVR TRI-ST DUAL 20SOP
標(biāo)準(zhǔn)包裝: 38
系列: 74AC
邏輯類型: 緩沖器/線路驅(qū)動(dòng)器,非反相
元件數(shù): 2
每個(gè)元件的位元數(shù): 4
輸出電流高,低: 24mA,24mA
電源電壓: 2 V ~ 6 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SOIC(0.209",5.30mm 寬)
供應(yīng)商設(shè)備封裝: 20-SOIC
包裝: 管件
1988 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74AC244, 74ACT244 Rev. 1.4.0
6
74A
C244,
74A
CT244
Octal
Buff
er/Line
Driver
with
3-ST
A
TE
Outputs
AC Electrical Characteristics for AC
Note:
6. Voltage range 3.3 is 3.3V
± 0.3V. Voltage range 5.0 is 5.0V ± 0.5V.
AC Electrical Characteristics for ACT
Note:
7. Voltage range 5.0 is 5.0V
± 0.5V.
Capacitance
Symbol
Parameter
VCC (V)
(6)
TA = +25°C,
CL = 50pF
TA = 55°C
to
+125°C,
CL = 50pF
TA = 40°C
to
+85°C,
CL = 50pF
Units
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH
Propagation Delay,
Data to Output
3.3
2.0
6.5
9.0
1.0
12.5
1.5
10.0
ns
5.0
1.5
5.0
7.0
1.0
9.5
1.0
7.5
tPHL
Propagation Delay,
Data to Output
3.3
2.0
6.5
9.0
1.0
12.0
2.0
10.0
ns
5.0
1.5
5.0
7.0
1.0
9.0
1.0
7.5
tPZH
Output Enable Time
3.3
2.0
6.0
10.5
1.0
11.5
1.5
11.0
ns
5.0
1.5
5.0
7.0
1.0
9.0
1.5
8.0
tPZL
Output Enable Time
3.3
2.5
7.5
10.0
1.0
13.0
2.0
11.0
ns
5.0
1.5
5.5
8.0
1.0
10.5
1.5
8.5
tPHZ
Output Disable Time
3.3
3.0
7.0
10.0
1.0
12.5
1.5
10.5
ns
5.0
2.5
6.5
9.0
1.0
10.5
1.0
9.5
tPLZ
Output Disable Time
3.3
2.5
7.5
10.5
1.0
13.0
2.5
11.5
ns
5.0
2.0
6.5
9.0
1.0
11.0
2.0
9.5
Symbol
Parameter
VCC (V)
(7)
TA = +25°C,
CL = 50pF
TA = 55°C
to
+125°C,
CL = 50pF
TA = 40°C
to
+85°C,
CL = 50pF
Units
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH
Propagation Delay,
Data to Output
5.0
2.0
6.5
9.0
1.0
10.0
1.5
10.0
ns
tPHL
Propagation Delay,
Data to Output
5.0
2.0
7.0
9.0
1.0
10.0
1.5
10.0
ns
tPZH
Output Enable Time
5.0
1.5
6.0
8.5
1.0
9.5
1.0
9.5
ns
tPZL
Output Enable Time
5.0
2.0
7.0
9.5
1.0
11.0
1.5
10.5
ns
tPHZ
Output Disable Time
5.0
2.0
7.0
9.5
1.0
11.0
1.5
10.5
ns
tPLZ
Output Disable Time
5.0
2.5
7.5
10.0
1.0
11.5
2.0
10.5
ns
Symbol
Parameter
Conditions
Typ
Units
CIN
Input Capacitance
VCC = OPEN
4.5
pF
CPD
Power Dissipation Capacitance
VCC = 5.0V
45.0
pF
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