參數(shù)資料
型號: 74ACT245PC
廠商: Fairchild Semiconductor
文件頁數(shù): 9/12頁
文件大?。?/td> 0K
描述: IC TRANSCVR TRI-ST 8BIT 20DIP
標(biāo)準(zhǔn)包裝: 18
系列: 74ACT
邏輯類型: 收發(fā)器,非反相
元件數(shù): 1
每個元件的位元數(shù): 8
輸出電流高,低: 24mA,24mA
電源電壓: 4.5 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 通孔
封裝/外殼: 20-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 20-DIP
包裝: 管件
其它名稱: 74ACT245
1988 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74AC245, 74ACT245 Rev. 1.5.0
6
74A
C245,
74A
CT245
Octal
Bidirectional
T
ransceiver
with
3-ST
A
TE
Inputs/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 = 40°C to +85°C,
CL = 50pF
Units
Min.
Typ.
Max.
Min.
Max.
tPLH
Propagation Delay,
An to Bn or Bn to An
3.3
1.5
5.0
8.5
1.0
9.0
ns
5.0
1.5
3.5
6.5
1.0
7.0
tPHL
Propagation Delay,
An to Bn or Bn to An
3.3
1.5
5.0
8.5
1.0
9.0
ns
5.0
1.5
3.5
6.0
1.0
7.0
tPZH
Output Enable Time
3.3
2.5
7.0
11.5
2.0
12.5
ns
5.0
1.5
5.0
8.5
1.0
9.0
tPZL
Output Enable Time
3.3
2.5
7.5
12.0
2.0
13.5
ns
5.0
1.5
5.5
9.0
1.0
9.5
tPHZ
Output Disable Time
3.3
2.0
6.5
12.0
1.0
12.5
ns
5.0
1.5
5.5
9.0
1.0
10.0
tPLZ
Output Disable Time
3.3
2.0
7.0
11.5
1.5
13.0
ns
5.0
1.5
5.5
9.0
1.0
10.0
Symbol
Parameter
VCC (V)
(7)
TA = +25°C,
CL = 50pF
TA = 40°C to +85°C,
CL = 50pF
Units
Min.
Typ.
Max.
Min.
Max.
tPLH
Propagation Delay,
An to Bn or Bn to An
5.0
1.5
4.0
7.5
1.5
8.0
ns
tPHL
Propagation Delay,
An to Bn or Bn to An
5.0
1.5
4.0
8.0
1.0
9.0
ns
tPZH
Output Enable Time
5.0
1.5
5.0
10.0
1.5
11.0
ns
tPZL
Output Enable Time
5.0
1.5
5.5
10.0
1.5
12.0
ns
tPHZ
Output Disable Time
5.0
1.5
5.5
10.0
1.0
11.0
ns
tPLZ
Output Disable Time
5.0
2.0
5.0
10.0
1.5
11.0
ns
Symbol
Parameter
Conditions
Typ.
Units
CIN
Input Capacitance
VCC = OPEN
4.5
pF
CI/O
Input/Output Capacitance
VCC = 5.0V
15.0
pF
CPD
Power Dissipation Capacitance
VCC = 5.0V
45.0
pF
相關(guān)PDF資料
PDF描述
74ACT244PC IC BUFF/DVR TRI-ST DUAL 20DIP
OSTVM207550 TERM BLOCK PLUG 5.00MM 20POS
OSTVM205551 TERM BLOCK PLUG 5.08MM 20POS
OSTVM205550 TERM BLOCK PLUG 5.08MM 20POS
OSTHP185052 CON TERM BLOCK 18POS 5.08MM
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