参数资料
型号: SN74AC244MNREP
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封装: PLASTIC, SOP-20
文件页数: 4/8页
文件大小: 171K
代理商: SN74AC244MNREP
www.ti.com
Switching Characteristics
Operating Characteristics
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCAS723A – OCTOBER 2003 – REVISED MARCH 2006
over recommended operating free-air temperature range, V
CC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
TA = 25°C
FROM
TO
PARAMETER
MIN
MAX
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
tPLH
2
6.5
9
1
12.5
A
Y
ns
tPHL
2
6.5
9
1
12
tPZH
2
6
10.5
1
11.5
OE
Y
ns
tPZL
2.5
7.5
10
1
13
tPHZ
3
7
10
1
12.5
OE
Y
ns
tPLZ
2.5
7.5
10.5
1
13
over recommended operating free-air temperature range, V
CC = 5.5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
TA = 25°C
FROM
TO
PARAMETER
MIN
MAX
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
tPLH
1.5
5
7
1
9.5
A
Y
ns
tPHL
1.5
5
7
1
9
tPZH
1.5
5
7
1
9
OE
Y
ns
tPZL
1.5
5.5
8
1
10.5
tPHZ
2.5
6.5
9
1
10.5
OE
Y
ns
tPLZ
2
6.5
9
1
11
V
CC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance per buffer/driver
CL = 50 pF, f = 1 MHz
45
pF
4
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