參數(shù)資料
型號(hào)： SN54HCT273FK
廠商： Texas Instruments, Inc.
英文描述： 4.27V Voltage Detector with Active Low Open Collector Output for 5V Systems - Pb Free Device; Package: TO-92 (TO-226) 5.33mm Body Height; No of Pins: 3; Container: Rail; Qty per Container: 2000
中文描述： 八路D型倒裝，沒有明確的觸發(fā)器
文件頁數(shù)： 3/6頁
文件大小： 114K
代理商： SN54HCT273FK
SN54HCT273, SN74HCT273
OCTAL D-TYPE FLIP-FLOPS
WITH CLEAR
SCLS068C – NOVEMBER 1988 – REVISED MAY 1997
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range
Supply voltage range, V
CC
Input clamp current, I
IK
(V
I
< 0 or V
I
> V
CC
) (see Note 1)
Output clamp current, I
OK
(V
O
< 0 or V
O
> V
CC
) (see Note 1)
Continuous output current, I
O
(V
O
= 0 to V
CC
)
Continuous current through V
CC
or GND
Package thermal impedance,
θ
JA
(see Note 2): DW package
–0.5 V to 7 V
±
20 mA
±
20 mA
±
25 mA
±
50 mA
97
°
C/W
67
°
C/W
128
°
C/W
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES:
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51, except for through-hole packages, which use a trace
length of zero.
recommended operating conditions
SN54HCT273
MIN
NOM
SN74HCT273
MIN
NOM
UNIT
MAX
MAX
VCC
VIH
VIL
VI
VO
tt
TA
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
High-level input voltage
VCC = 4.5 V to 5.5 V
VCC = 4.5 V to 5.5 V
2
2
V
Low-level input voltage
0
0.8
0
0.8
V
Input voltage
0
VCC
VCC
500
0
VCC
VCC
500
V
Output voltage
0
0
V
Input transition (rise and fall) times
0
0
ns
°
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
4.499
SN54HCT273
SN74HCT273
UNIT
MIN
4.4
MAX
MIN
4.4
MAX
MIN
4.4
MAX
VOH
VI= VIHor VIL
VI = VIH or VIL
IOH = –20
μ
A
IOH = –4 mA
IOL = 20
μ
A
IOL = 4 mA
4.5 V
V
4.5 V
3.98
4.30
3.7
3.84
VOL
VI= VIHor VIL
VI = VIH or VIL
4.5 V
0.001
0.1
0.1
0.1
V
4.5 V
0.17
±
0.1
0.26
±
100
0.4
0.33
±
1000
II
ICC
VI = VCC or 0
VI = VCC or 0,
One input at 0.5 V or 2.4 V,
Other inputs at 0 or VCC
5.5 V
±
1000
160
nA
μ
A
IO = 0
5.5 V
8
80
ICC
5.5 V
1.4
2.4
3
2.9
mA
Ci
4.5 V
to 5.5 V
3
10
10
10
pF
This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC.
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.
相關(guān)PDF資料
PDF描述
SN54HCT273J 4.27V Voltage Detector with Active Low Open Collector Output for 5V Systems; Package: TO-92 (TO-226) 5.33mm Body Height; No of Pins: 3; Container: Tape and Reel; Qty per Container: 2000
SN54HCT273W 4.27V Voltage Detector with Active Low Open Collector Output for 5V Systems - Pb Free Device; Package: TO-92 (TO-226) 5.33mm Body Height; No of Pins: 3; Container: Tape and Reel; Qty per Container: 2000
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