參數(shù)資料
型號(hào): 74FCT162952ATPACT
廠商: Texas Instruments, Inc.
元件分類: 通用總線功能
英文描述: 16-Bit Registered Transceivers
中文描述: 16位注冊(cè)收發(fā)器
文件頁數(shù): 2/8頁
文件大?。?/td> 68K
代理商: 74FCT162952ATPACT
CY74FCT16952T
CY74FCT162952T
CY74FCT162H952T
2
Maximum Ratings
[5, 6]
(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.
On the CY74FCT162H952T these pins have bus hold.
A-to-B data flow is shown: B-to-A data flow is similar but uses, CEBA, CLKBA, and OEBA.
H = HIGH Voltage Level.
L = LOW Voltage Level.
X = Don’t Care.
= LOW-to-HIGH Transition.
Z = HIGH Impedance.
Level of B before the indicated steady-state input conditions were established.
Operationbeyondthelimitssetforthmayimpairtheusefullifeofthedevice.Unlessotherwisenoted,theselimitsareovertheoperatingfree-airtemperaturerange.
Unused inputs must always be connected to an appropriate logic voltage level, preferably either V
CC
or ground.
4.
5.
6.
Pin Description
Name
OEAB
OEBA
CEAB
CEBA
CLKAB
CLKBA
A
Description
A-to-B Output Enable Input (Active LOW)
B-to-A Output Enable Input (Active LOW)
A-to-B Clock Enable Input (Active LOW)
B-to-A Clock Enable Input (Active LOW)
A-to-B Clock Input
B-to-A Clock Input
A-to-B Data Inputs or B-to-A Three-State
Outputs
[1]
B-to-A Data Inputs or A-to-B Three-State
Outputs
[1]
B
Function Table
[2, 3]
For A-to-B (Symmetric with B-to-A)
Inputs
Outputs
B
B
[4]
B
[4]
L
CEAB
H
X
L
CLKAB
X
L
OEAB
L
L
L
A
X
X
L
L
L
H
H
X
X
H
X
Z
Operating Range
Range
Ambient
Temperature
–40
°
C to +85
°
C
V
CC
Industrial
5V
±
10%
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74FCT162952ETPACT 制造商:TI 制造商全稱:Texas Instruments 功能描述:16-Bit Registered Transceivers