参数资料
型号: 74ACT245PC
厂商: Fairchild Semiconductor
文件页数: 9/12页
文件大小: 0K
描述: IC TRANSCVR TRI-ST 8BIT 20DIP
标准包装: 18
系列: 74ACT
逻辑类型: 收发器,非反相
元件数: 1
每个元件的位元数: 8
输出电流高,低: 24mA,24mA
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 20-DIP(0.300",7.62mm)
供应商设备封装: 20-DIP
包装: 管件
其它名称: 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
相关PDF资料
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
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