參數(shù)資料
型號： 74FCT162373CTPVCT
廠商： Texas Instruments, Inc.
元件分類： 通用總線功能
英文描述： 16-Bit Latches
中文描述： 16位鎖存
文件頁數(shù)： 2/7頁
文件大?。?/td> 61K
代理商： 74FCT162373CTPVCT
CY74FCT16373T
CY74FCT162373T
2
Maximum Ratings
[2, 3]
(Above which the useful life may be impaired. For user
guidelines, not tested.)
Storage Temperature...................... Com’l
55
°
C to +125
°
C
Ambient Temperature with
Power Applied................................. Com’l
55
°
C to +125
°
C
DC Input Voltage
.................................................
0.5V to +7.0V
DC Output Voltage
..............................................
0.5V to +7.0V
DC Output Current
(Maximum Sink Current/Pin)
...........................
60 to +120 mA
Power Dissipation..........................................................1.0W
Static Discharge Voltage............................................>2001V
(per MIL-STD-883, Method 3015)
Operating Range
Pin Description
Name
D
LE
OE
O
Description
Data Inputs
Latch Enable Inputs (Active HIGH)
Output Enable Inputs (Active LOW)
Three-State Outputs
Function Table
[1]
Inputs
LE
H
H
L
X
Outputs
O
H
L
Q
0
Z
D
H
L
X
X
OE
L
L
L
H
Range
Ambient
Temperature
V
CC
Industrial
40
°
C to +85
°
C
5V
±
10%
Electrical Characteristics
Over the Operating Range
Parameter
V
IH
V
IL
V
H
V
IK
I
IH
I
IL
I
OZH
Description
Test Conditions
Min.
2.0
Typ.
[4]
Max.
Unit
V
V
mV
V
μ
A
μ
A
μ
A
Input HIGH Voltage
Input LOW Voltage
Input Hysteresis
[5]
Input Clamp Diode Voltage
Input HIGH Current
Input LOW Current
High Impedance Output Current
(Three-State Output pins)
High Impedance Output Current
(Three-State Output pins)
Short Circuit Current
[6]
Output Drive Current
[6]
Power-Off Disable
0.8
100
0.7
V
CC
=Min., I
IN
=
18 mA
V
CC
=Max., V
I
=V
CC
V
CC
=Max., V
I
=GND
V
CC
=Max., V
OUT
=2.7V
1.2
±
1
±
1
±
1
I
OZL
V
CC
=Max., V
OUT
=0.5V
±
1
μ
A
I
OS
I
O
I
OFF
V
CC
=Max., V
OUT
=GND
V
CC
=Max., V
OUT
=2.5V
V
CC
=0V, V
OUT
≤
4.5V
[7]
80
50
140
200
180
±
1
mA
mA
μ
A
Output Drive Characteristics for CY74FCT16373T
Parameter
V
OH
Description
Test Conditions
Min.
2.5
2.4
2.0
Typ.
[4]
3.5
3.5
3.0
0.2
Max.
Unit
V
V
V
V
Output HIGH Voltage
V
CC
=Min., I
OH
=
3 mA
V
CC
=Min., I
OH
=
15 mA
V
CC
=Min., I
OH
=
32 mA
V
CC
=Min., I
OL
=64 mA
V
OL
Notes:
1.
2.
Output LOW Voltage
0.55
H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care. Z = High Impedance. Q
=Previous state of flip-flop.
Operation beyond the limits set forth may impair the useful life of the device. Unless otherwise noted, these limits are over the operating free-air temperature
range.
Unused inputs must always be connected to an appropriate logic voltage level, preferably either V
CC
or ground.
Typical values are at V
=5.0V, T
= +25C ambient.
This parameter is specified but not tested.
Not more than one output should be shorted at a time. Duration of short should not exceed one second. The use of high-speed test apparatus and/or sample
and hold techniques are preferable in order to minimize internal chip heating and more accurately reflect operational values. Otherwise prolonged shorting of
a high output may raise the chip temperature well above normal and thereby cause invalid readings in other parametric tests. In any sequence of parameter
tests, I
tests should be performed last.
Tested at +25C.
3.
4.
5.
6.
7.
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