參數(shù)資料
型號： SN54ABT16540
廠商： Texas Instruments, Inc.
英文描述： 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
中文描述： 16位緩沖器/ 3司機態(tài)輸出
文件頁數(shù)： 4/6頁
文件大小： 106K
代理商： SN54ABT16540
SN54ABT16540, SN74ABT16540A
16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS208C – FEBRUARY 1991 – REVISED APRIL 1997
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25
°
C
TYP
SN54ABT16540
MIN
SN74ABT16540A
MIN
UNIT
MIN
MAX
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
II = –18 mA
IOH = –3 mA
IOH = –3 mA
IOH = –24 mA
IOH = –32 mA
IOL = 48 mA
IOL = 64 mA
–1.2
–1.2
–1.2
V
2.5
2.5
2.5
VOH
3
3
3
V
VCC= 4 5 V
VCC = 4.5 V
2
2
2*
2
VOL
VCC= 4 5 V
VCC = 4.5 V
0.55
0.55
V
0.55*
0.55
Vhys
II
IOZH
IOZL
Ioff
100
mV
μ
A
μ
A
μ
A
μ
A
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 0,
VCC = 5.5 V,
VO = 5.5 V
VCC = 5.5 V,
VI = VCC or GND
VO = 2.7 V
VO = 0.5 V
VI or VO
≤
4.5 V
±
1
10
±
1
50
±
1
10
–10
±
100
–50
–10
±
100
ICEX
Outputs high
50
50
50
μ
A
IO
VO = 2.5 V
Outputs high
–50
–100
–180
–50
–180
–50
–180
mA
VCC= 5.5 V,
VCC = 5.5 V,
IO = 0,
VI = VCC or GND
3
2
3
ICC
Outputs low
34
32
34
mA
Outputs disabled
3
2
3
Data
inputs
VCC = 5.5 V,
One input at 3.4 V,
Other inputs at
VCC or GND
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
Outputs enabled
1
1
1
ICC§
,
Outputs disabled
0.05
0.05
0.05
mA
Control
inputs
1.5
1.5
1.5
Ci
Co
3.5
pF
7.5
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
All typical values are at VCC = 5 V.
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
§This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
L
= 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25
°
C
MIN
1
SN54ABT16540
SN74ABT16540A
UNIT
TYP
2.3
MAX
3.3
MIN
MAX
4.2
MIN
MAX
4.1
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A
Y
1
1
ns
1.1
2.5
4.1
1.1
4.4
1.1
4.3
OE
Y
1.1
3.1
4.2
1.1
5.2
1.1
5.1
ns
1.6
3.7
4.8
1.6
6
1.6
5.9
OE
Y
1.6
4
5
1.6
5.4
1.6
5.7
ns
1.4
3.2
4.4
1.4
4.7
1.4
4.7
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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