參數(shù)資料
型號: 74VHC157T
廠商: 意法半導體
英文描述: Quadruple 2-Input Positive-NAND Gates 14-TSSOP -40 to 85
中文描述: 四2通道多
文件頁數(shù): 4/9頁
文件大?。?/td> 65K
代理商: 74VHC157T
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
Test Conditions
Value
Unit
T
A
= 25
o
C
Min.
Typ.
-40 to 85
o
C
Min.
Max.
10
Max.
10
C
IN
C
PD
Input Capacitance
Power Dissipation
Capacitance (note 1)
4
20
pF
pF
1)C
PD
isdefined as thevalue oftheIC’sinternal equivalent capacitance whichiscalculated fromtheoperatingcurrent consumption without load.(Referto
TestCircuit).Average operatingcurrent canbeobtained bythefollowingequation.I
CC
(opr)=C
PD
V
CC
f
IN
+I
CC
/4(per Channel)
AC ELECTRICAL CHARACTERISTICS
(Inputt
r
= t
f
=3 ns)
Symbol
Parameter
Test Condition
C
L
(pF)
Value
Unit
V
CC
(V)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
T
A
= 25
o
C
Min.
Typ.
-40 to 85
o
C
Min.
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
Max.
9.7
13.2
6.4
8.4
13.2
16.7
8.1
10.1
13.6
17.1
8.6
10.6
Max.
11.5
15.0
7.5
9.5
15.5
19.0
9.5
11.5
16.0
19.5
10.0
12.0
t
PLH
t
PHL
Propagation Delay
Time
A, B to Y
15
50
15
50
15
50
15
50
15
50
15
50
6.2
8.7
4.1
5.6
8.4
10.9
5.3
6.8
8.7
11.2
5.6
7.1
ns
t
PLH
t
PHL
Propagation Delay
Time
SELECT to Y
ns
t
PLH
t
PHL
Propagation Delay
Time
STROBE to Y
ns
(*) Voltagerangeis3.3V
±
0.3V
(**) Voltagerange is 5V
±
0.5V
74VHC157
4/9
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相關代理商/技術參數(shù)
參數(shù)描述
74VHC157TTR 功能描述:編碼器、解碼器、復用器和解復用器 Quad 2-Ch Multiplexr RoHS:否 制造商:Micrel 產品:Multiplexers 邏輯系列:CMOS 位數(shù): 線路數(shù)量(輸入/輸出):2 / 12 傳播延遲時間:350 ps, 400 ps 電源電壓-最大:2.625 V, 3.6 V 電源電壓-最小:2.375 V, 3 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-44 封裝:Tray
74VHC16 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:8-Bit Serial-In, Parallel-Out Shift Register
74VHC161 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:4-Bit Binary Counter with Asynchronous Clear
74VHC161284 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:IEEE 1284 Transceiver
74VHC161284MEA 功能描述:總線收發(fā)器 IEEE 16284 Trans RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel