參數(shù)資料
型號： SN74AHCT138DBRE4
廠商： TEXAS INSTRUMENTS INC
元件分類： 編、解碼器及復(fù)用、解復(fù)用
英文描述： AHCT/VHCT/VT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16
封裝： GREEN, PLASTIC, SSOP-16
文件頁數(shù)： 21/26頁
文件大?。?/td> 1057K
代理商： SN74AHCT138DBRE4
SN54AHCT138, SN74AHCT138
3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS
SCLS266M DECEMBER 1995 REVISED JULY 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
V
TA = 25°C
SN54AHCT138
SN74AHCT138
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
V
IOH = 50 mA
45V
4.4
4.5
4.4
V
VOH
IOH = 8 mA
4.5 V
3.94
3.8
V
IOL = 50 mA
45V
0.1
V
VOL
IOL = 8 mA
4.5 V
0.36
0.5
0.44
V
II
VI = 5.5 V or GND
0 V to 5.5 V
±0.1
±1*
±1
mA
ICC
VI = VCC or GND,
IO = 0
5.5 V
4
40
mA
ΔICC
One input at 3.4 V,
Other inputs at VCC or GND
5.5 V
1.35
1.5
mA
Ci
VI = VCC or GND
5 V
2
10
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC.
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHCT138
SN74AHCT138
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
ABC
Any Y
C
15 pF
7.6*
10.4*
1*
12*
1
12
ns
tPHL
A, B, C
Any Y
CL = 15 pF
7.6*
10.4*
1*
12*
1
12
ns
tPLH
G1
Any Y
C
15 pF
6.6*
9.1*
1*
10.5*
1
10.5
ns
tPHL
G1
Any Y
CL = 15 pF
6.6*
9.1*
1*
10.5*
1
10.5
ns
tPLH
G2A G2B
Any Y
C
15 pF
7*
9.6*
1*
11*
1
11
ns
tPHL
G2A, G2B
Any Y
CL = 15 pF
7*
9.6*
1*
11*
1
11
ns
tPLH
ABC
Any Y
C
50 pF
8.1
11.4
1
13
1
13
ns
tPHL
A, B, C
Any Y
CL = 50 pF
8.1
11.4
1
13
1
13
ns
tPLH
G1
Any Y
C
50 pF
7.1
10.1
1
11.5
1
11.5
ns
tPHL
G1
Any Y
CL = 50 pF
7.1
10.1
1
11.5
1
11.5
ns
tPLH
G2A G2B
Any Y
C =50pF
7.5
10.6
1
12
1
12
ns
tPHL
G2A, G2B
Any Y
CL = 50 pF
7.5
10.6
1
12
1
12
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load,
f = 1 MHz
14
pF
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SN74AHCT138DG4 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 3 Line to 8 Line Decodr Demultiplexr RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
SN74AHCT138DGVR 功能描述:編碼器、解碼器、復(fù)用器和解復(fù)用器 Line Decoder RoHS:否 制造商:Micrel 產(chǎn)品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量（輸入/輸出）:2 / 12 傳播延遲時(shí)間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
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