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부품번호 | 74VHC541T 기능 |
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기능 | OCTAL BUS BUFFER WITH 3 STATE OUTPUTS NON INVERTED | ||
제조업체 | STMicroelectronics | ||
로고 | |||
전체 8 페이지수
® 74VHC541
OCTAL BUS BUFFER
WITH 3 STATE OUTPUTS (NON INVERTED)
s HIGH SPEED: tPD = 3.6 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 4 µA (MAX.) at TA = 25 oC
s HIGH NOISE IMMUNITY:
VNIH = VNIL = 28% VCC (MIN.)
s POWER DOWN PROTECTION ON INPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 5.5V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 541
s IMPROVED LATCH-UP IMMUNITY
s LOW NOISE: VOLP = 0.9V (Max.)
DESCRIPTION
The VHC541 is an advanced high speed CMOS
OCTAL BUS BUFFER (3-STATE) fabricated with
sub-micron silicon gate and double-layer metal
wiring C2MOS technology.
The 3 STATE control gate operates as a two
input AND such that if either G1 and G2 are high,
M
(Micro Package)
T
(TSSOP Package)
ORDER CODES :
74VHC541M
74VHC541T
all eight outputs are in the high impedance state.
In order to enhance PC board layout, the AC541
offers a pinout having inputs and outputs on
opposite sides of the package.
Power down protection is provided on all inputs
and 0 to 7V can be accepted on inputs with no
regard to the supply voltage. This device can be
used to interface 5V to 3V.
All inputs and outputs are equipped with
protection circuits against static discharge, giving
them 2KV ESD immunity and transient excess
voltage.
PIN CONNECTION AND IEC LOGIC SYMBOLS
June 1999
1/8
74VHC541
CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Conditions
Value
Un it
TA = 25 oC
-40 to 85 oC
Min. Typ . Max. Min . Max.
CIN Input Capacitance
4 10
10 pF
COUT Output Capacitance
6 pF
CPD Power Dissipation
Capacitance (note 1)
18 pF
1) CPD isdefined as the value of the IC’sinternal equivalent capacitance which is calculated fromthe operating current consumption without load. (Referto
Test Circuit).Average operating current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN + ICC/8 (per Circuit)
DYNAMIC SWITCHING CHARACTERISTICS
Symb ol
Parameter
Test Conditions
V CC
( V)
Value
TA = 25 oC
Min. Typ. Max.
-40 to 85 oC
Min . Max.
Un it
VOLP Dynamic Low Voltage
VOLV Quiet Output (note 1, 2)
5.0
0.6 0.9
-0.9 -0.6
VIHD Dynamic High Voltage
Input (note 1, 3)
5.0
CL = 50 pF
3.5
V
VILD Dynamic Low Voltage
Input (note 1, 3)
5.0
1.5
1) Worst case package.
2) Max number of outputs defined as (n). Data inputs are driven 0V to 5.0V, (n -1) outputs switching and one output at GND.
3) Max number of data inputs (n) switching. (n-1) switching 0V to5.0V. Inputs under test switching: 5.0V to threshold (VILD), 0V to threshold (VIHD), f=1MHz.
TEST CIRCUIT
TEST
tPLH, tPHL
tPZL, tPLZ
tPZH, tPHZ
CL = 15/50 pF or equivalent (includes jig and probe capacitance)
RL = R1 = 1KΩ orequivalent
RT = ZOUT of pulse generator (typically 50Ω)
4/8
SW IT CH
Open
VCC
GND
4페이지 DIM.
A
a1
a2
b
b1
C
c1
D
E
e
e3
F
L
M
S
74VHC541
MIN.
0.10
0.35
0.23
12.60
10.00
7.40
0.50
SO-20 MECHANICAL DATA
mm
TYP.
0.50
1.27
11.43
MAX.
2.65
0.20
2.45
0.49
0.32
MIN.
0.004
0.013
0.009
45 (typ.)
13.00
0.496
10.65
0.393
7.60 0.291
1.27 0.19
0.75
8 (max.)
inch
TYP.
0.020
0.050
0.450
MAX.
0.104
0.007
0.096
0.019
0.012
0.512
0.419
0.299
0.050
0.029
P013L
7/8
7페이지 | |||
구 성 | 총 8 페이지수 | ||
다운로드 | [ 74VHC541T.PDF 데이터시트 ] |
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구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
74VHC541 | OCTAL BUS BUFFER | STMicroelectronics |
74VHC541 | Octal Buffer/Line Driver with 3-STATE Outputs | Fairchild Semiconductor |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |