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74ABT2245NのメーカーはNXP Semiconductorsです、この部品の機能は「Octal transceiver with direction pin with 30ohm series termination resistors 3-State」です。 |
部品番号 | 74ABT2245N |
| |
部品説明 | Octal transceiver with direction pin with 30ohm series termination resistors 3-State | ||
メーカ | NXP Semiconductors | ||
ロゴ | |||
このページの下部にプレビューと74ABT2245Nダウンロード(pdfファイル)リンクがあります。 Total 12 pages
INTEGRATED CIRCUITS
74ABT2245
Octal transceiver with direction pin with
30Ω series termination resistors (3-State)
Product specification
Supersedes data of 1996 Sep 10
IC23 Data Handbook
1998 Jan 16
Philips
Semiconductors
1 Page Philips Semiconductors
Octal transceiver with direction pin
and 30Ω series termination resistors (3-State)
Product specification
74ABT2245
LOGIC SYMBOL
1
DIR
2
A0
3
A1
4
A2
5
A3
6
A4
7
A5
8
A6
9
A7
19
OE
18
B0
17
B1
16
B2
15
B3
14
B4
13
B5
12
B6
11
B7
SA00122
LOGIC SYMBOL IEEE/IEC
19
G3
3 EN1 (BA)
1
3 EN2 (AB)
1
2 2 18
3 17
4 16
5 15
6 14
7 13
8 12
9 11
SA00313
FUNCTION TABLE
INPUTS
OE DIR
LL
LH
HX
INPUTS/OUTPUTS
An Bn
An = Bn
Inputs
Inputs
Bn = An
ZZ
H = High voltage level
L = Low voltage level
X = Don’t care
Z = High impedance ”off” state
SCHEMATIC OF EACH OUTPUT
VCC
OUTPUT
SA00237
1998 Jan 16
3
3Pages Philips Semiconductors
Octal transceiver with direction pin
and 30Ω series termination resistors (3-State)
Product specification
74ABT2245
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω
SYMBOL
PARAMETER
WAVEFORM
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay
An to Bn or Bn to An
Output enable time
to High and Low level
Output disable time
from High and Low Level
AC WAVEFORMS
VM = 1.5V, VIN = GND to 3.0V
1
2
2
An or Bn
INPUT
Bn or An
OUTPUT
VM
tPLH
VM
VM
tPHL
VM
SA00124
Waveform 1. Waveforms Showing the Input to Output
Propagation Delays
TEST CIRCUIT AND WAVEFORMS
From Output
Under Test
CL = 50 pF
500 Ω
500 Ω
7V
S1
Open
GND
Load Circuit
TEST
S1
tpd
tPLZ/tPZL
tPHZ/tPZH
open
7V
open
DEFINITIONS
CL = Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
SA00012
LIMITS
Tamb = +25°C
VCC = +5.0V
Min Typ Max
Tamb = –40°C to +85°C
VCC = +5.0V ±0.5V
Min Max
1.0 2.8 4.2
1.0 3.9 5.0
1.0
1.0
4.7
5.4
1.3 3.5 4.6
3.0 5.5 7.0
1.3
3.0
5.5
7.8
1.5 4.0 5.4
1.0 3.4 4.6
1.5
1.0
6.3
5.0
UNIT
ns
ns
ns
OE
INPUT
VM
tPZL
VM
tPLZ
3.5V
OUTPUT
OUTPUT
tPZH
VM
VM
tPHZ
VOL + 0.3V
VOL
VOH
VOH – 0.3V
0V
SA00314
Waveform 2. Waveforms Showing the 3-State Output Enable
and Disable Times
1998 Jan 16
6
6 Page | |||
ページ | 合計 : 12 ページ | ||
|
PDF ダウンロード | [ 74ABT2245N データシート.PDF ] |
データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。 |
部品番号 | 部品説明 | メーカ |
74ABT2245 | Octal transceiver with direction pin with 30ohm series termination resistors 3-State | NXP Semiconductors |
74ABT2245D | Octal transceiver with direction pin with 30ohm series termination resistors 3-State | NXP Semiconductors |
74ABT2245DB | Octal transceiver with direction pin with 30ohm series termination resistors 3-State | NXP Semiconductors |
74ABT2245N | Octal transceiver with direction pin with 30ohm series termination resistors 3-State | NXP Semiconductors |