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參數(shù)資料
| 型號： | SN54HCT573A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Octal D-Type Latches(八D鎖存器(三態(tài)同相輸出)) |
| 中文描述： | 八路D類閥門（八?鎖存器（三態(tài)同相輸出）） |
| 文件頁數(shù)： | 3/6頁 |
| 文件大?。?/td> | 155K |
| 代理商： | SN54HCT573A |
SN54HCT573A, SN74HCT573A
OCTAL TRANSPARENT D-TYPE LATCHES
WITH 3-STATE OUTPUTS
SCLS176A – MARCH 1984 – REVISED JANUARY 1996
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions
SN54HCT573A
MIN
NOM
SN74HCT573A
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) time
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
SN54HCT573A
MIN
4.4
SN74HCT573A
MIN
4.4
UNIT
MIN
4.4
MAX
MAX
MAX
VOH
VI= VIHor VIL
IOH = –20
μ
A
IOH = –6 mA
IOL = 20
μ
A
IOL = 6 mA
4 5 V
4.5 V
V
3.98
4.3
3.7
3.84
VOL
VI= VIHor VIL
VI = VIH or VIL
4 5 V
4.5 V
0.001
0.1
0.1
0.1
V
0.17
±
0.1
±
0.01
0.26
±
100
±
0.5
0.4
0.33
±
1000
II
IOZ
ICC
VI = VCC or 0
VO = 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
±
10
160
nA
μ
A
μ
A
5.5 V
±
5
80
IO = 0
5.5 V
8
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 or VCC.
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25
°
C
MIN
20
SN54HCT573A
MIN
30
SN74HCT573A
MIN
25
UNIT
MAX
MAX
MAX
tw
Pulse duration LE high
Pulse duration, LE high
4.5 V
ns
5.5 V
17
27
23
tsu
Setup time data before LE
Setup time, data before LE
↓
4.5 V
10
15
13
ns
5.5 V
9
14
12
th
Hold time data after LE
Hold time, data after LE
↓
4.5 V
5.5 V
5
5
5
5
5
5
ns
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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