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參數(shù)資料
| 型號： | SN54AHCT16240 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-Bit Buffers/Line Drivers With 3-State Outputs(16位緩沖器/驅(qū)動器(三態(tài)輸出)) |
| 中文描述： | 16位緩沖器/線路驅(qū)動器，三態(tài)輸出（16位緩沖器/驅(qū)動器（三態(tài)輸出）） |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 147K |
| 代理商： | SN54AHCT16240 |
SN54AHCT16240, SN74AHCT16240
16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS333C – MARCH 1996 – REVISED JUNE 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54AHCT16240
MIN
SN74AHCT16240
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
VO
IOH
IOL
t/
v
TA
NOTE 3: Unused inputs must be held high or low to prevent them from floating.
Supply voltage
4.5
5.5
4.5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
5.5
0
5.5
V
Output voltage
0
VCC
–8
0
VCC
–8
V
High-level output current
mA
Low-level output current
8
8
mA
Input transition rise or fall rate
20
20
ns/V
°
C
Operating free-air temperature
–55
125
–40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25
°
C
TYP
SN54AHCT16240
MIN
4.4
SN74AHCT16240
MIN
4.4
UNIT
MIN
4.4
MAX
MAX
MAX
VOH
IOH = –50 A
IOH = –8 mA
IOL = 50 A
IOL = 8 mA
VO = VCC or GND
VI = VCC or GND
VI = VCC or GND,
One input at 3.4 V,
Other inputs at VCC or GND
VI = VCC or GND
VO = VCC or GND
4 5 V
4.5 V
4.5
V
3.94
3.8
3.8
VOL
4 5 V
4.5 V
0.1
0.1
0.1
V
0.36
±
0.25
±
0.1
0.44
±
2.5
±
1
40
0.44
±
2.5
±
1
40
IOZ
II
ICC
5.5 V
A
5.5 V
A
IO = 0
5.5 V
4
A
ICC
5.5 V
1.35
1.5
1.5
mA
Ci
Co
5 V
2.5
10
10
pF
5 V
3
pF
This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC.
P
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