- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄379200 > N74F257AD (NXP Semiconductors N.V.) Quad 2-line to 1-line selector-multiplexer, non-inverting (3-State) PDF資料下載
參數(shù)資料
| 型號： | N74F257AD |
| 廠商： | NXP Semiconductors N.V. |
| 元件分類： | 通用總線功能 |
| 英文描述： | Quad 2-line to 1-line selector-multiplexer, non-inverting (3-State) |
| 封裝： | I74F257AD<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<week 6, 2004,;I74F257AD<SOT109-1 (SO16)|<<http://www.nxp.com/packages/SOT109-1.html<1<week 6 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大?。?/td> | 89K |
| 代理商： | N74F257AD |
Philips Semiconductors
Product specification
74F257A
Quad 2-line to 1-line selector/multiplexer, non-inverting
(3-State)
1995 Mar 31
6
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
V
M
V
M
V
M
V
M
Yn
In or S
t
PHL
t
PLH
SF00679
Waveform 1.
Propagation Delay, Data and Select to Output
V
OH
–0.3V
V
M
V
M
V
M
Yn
t
PZH
t
PHZ
SF00213
OE
0V
Waveform 2.
3-State Output Enable Time to High Level and
Output Disable Time from High Level
V
OL
+0.3V
V
M
V
M
V
M
Yn
t
PZL
t
PLZ
SF00214
OE
Waveform 3.
3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
TEST CIRCUIT AND WAVEFORMS
t
w
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
90%
V
M
10%
NEGATIVE
PULSE
POSITIVE
PULSE
t
w
AMP (V)
0V
0V
t
THL (
t
f
)
INPUT PULSE REQUIREMENTS
rep. rate
t
w
t
TLH
t
THL
1MHz
500ns
2.5ns
2.5ns
Input Pulse Definition
V
CC
family
74F
D.U.T.
PULSE
GENERATOR
R
L
C
L
R
T
V
IN
V
OUT
Test Circuit for 3-State Outputs
DEFINITIONS:
R
L
=
Load resistor;
see AC electrical characteristics for value.
Load capacitance includes jig and probe capacitance;
see AC electrical characteristics for value.
Termination resistance should be equal to Z
OUT
of
pulse generators.
C
L
=
R
T
=
t
THL (
t
f
)
t
TLH (
t
r
)
t
TLH (
t
r
)
AMP (V)
amplitude
3.0V
1.5V
V
M
R
L
7.0V
SF00777
TEST
t
PLZ
t
PZL
All other
SWITCH
closed
closed
open
SWITCH POSITION
相關PDF資料 |
PDF描述 |
|---|---|
| N74F257AN | Quad 2-line to 1-line selector-multiplexer, non-inverting (3-State) |
| I74F656AD | Octal buffer-driver with parity; non-inverting; 3-state |
| N74F656AD | Octal buffer-driver with parity; non-inverting; 3-state |
| I74F74D | Dual D-type flip-flop |
| I74F74N | Dual D-type flip-flop |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| N74F257AD,602 | 功能描述:編碼器、解碼器、復用器和解復用器 QUAD 2 TO 1 MUX 3-S RoHS:否 制造商:Micrel 產(chǎn)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 |
| N74F257AD,623 | 功能描述:編碼器、解碼器、復用器和解復用器 QUAD 2 TO 1 MUX 3-S RoHS:否 制造商:Micrel 產(chǎn)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 |
| N74F257AD-T | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2-Input Digital Multiplexer |
| N74F257AD-T 93 | 制造商:PHI 功能描述:74F257 SMT T/R S2E8A |
| N74F257ADT93 | 制造商:PHI 功能描述:74F257 SMT T/R S2E8A |
發(fā)布緊急采購，3分鐘左右您將得到回復。