參數資料
型號: 74FCT16244
廠商: Integrated Device Technology, Inc.
元件分類: 通用總線功能
英文描述: FAST CMOS 16-BIT BUFFER/LINE DRIVER
中文描述: 快速CMOS 16位緩沖/線路驅動器
文件頁數: 2/8頁
文件大?。?/td> 64K
代理商: 74FCT16244
CY74FCT16244T
CY74FCT162244T
CY74FCT162H244T
2
Maximum Ratings
[3,4]
(Above which the useful life may be impaired. For user
guidelines, not tested.)
Storage Temperature................................. –55
°
C to +125
°
C
Ambient Temperature with
Power Applied.............................................–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)
Notes:
1.
2.
3.
4.
On CY74FCT162H244T these pins have “bus hold.”
H = HIGH Voltage Level. L = LOW Voltage Level. X = Don’t Care. Z = High Importance.
Operationbeyondthelimitssetforthmayimpairtheusefullifeofthedevice.Unlessotherwisenoted,theselimitsareovertheoperatingfree-airtemperaturerange.
Unused inputs must always be connected to an appropriate logic voltage level, preferably either V
CC
or ground.
Pin Description
Name
OE
A
Y
Description
Three-State Output Enable Inputs (Active LOW)
Data Inputs
[1]
Three-State Outputs
Function Table
[2]
Inputs
Outputs
Y
L
H
Z
OE
L
L
H
A
L
H
X
Ordering Range
Range
Ambient
Temperature
– 40
°
C to +85
°
C
V
CC
Industrial
5V
±
10%
Electrical Characteristics
Over the Operating Range
Parameter
V
IH
V
IL
V
H
V
IK
I
IH
Description
Test Conditions
Min.
2.0
Typ.
[5]
Max.
Unit
V
V
mV
V
μ
A
Input HIGH Voltage
Input LOW Voltage
Input Hysteresis
[6]
Input Clamp Diode Voltage
Input HIGH Current
0.8
100
–0.7
V
CC
=Min., I
IN
=–18 mA
V
CC
=Max., V
I
=V
CC
–1.2
±
1
±
100
±
1
±
100
Standard
Bus Hold
Standard
Bus Hold
I
IL
Input LOW Current
V
CC
=Max., V
I
=GND
μ
A
μ
A
μ
A
I
BBH
I
BBL
Bus Hold Sustain Current on Bus Hold Input
[7]
V
CC
=Min.
V
I
=2.0V
V
I
=0.8V
–50
+50
I
BHHO
I
BHLO
I
OZH
Bus Hold Overdrive Current on Bus Hold Input
[7]
V
CC
=Max., V
I
=1.5V
TBD
mA
High Impedance Output Current
(Three-State Output pins)
High Impedance Output Current
(Three-State Output pins)
Short Circuit Current
[8]
Output Drive Current
[8]
Power-Off Disable
V
CC
=Max., V
OUT
=2.7V
±
1
μ
A
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
[9]
–80
–50
–140
–200
–180
±
1
mA
mA
μ
A
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