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부품번호 | 74VHCT126AM 기능 |
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기능 | QUAD BUS BUFFERS 3-STATE | ||
제조업체 | STMicroelectronics | ||
로고 | |||
전체 8 페이지수
® 74VHCT126A
QUAD BUS BUFFERS (3-STATE)
s HIGH SPEED: tPD = 5 ns (TYP.) at VCC = 5V
s LOW POWER DISSIPATION:
ICC = 4 µA (MAX.) at TA = 25 oC
s COMPATIBLE WITH TTL OUTPUTS:
VIH = 2V (MIN), VIL = 0.8V (MAX)
s POWER DOWN PROTECTION ON INPUTS &
OUTPUTS
s SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 8 mA (MIN)
s BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
s OPERATING VOLTAGE RANGE:
VCC (OPR) = 4.5V to 5.5V
s PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 126
s IMPROVED LATCH-UP IMMUNITY
s LOW NOISE: VOLP = 0.8V (Max.)
DESCRIPTION
The 74VHCT126A is an advanced high-speed
CMOS QUAD BUS BUFFERS fabricated with
sub-micron silicon gate and double-layer metal
wiring C2MOS technology.
PRELIMINARY DATA
SOP
TSSOP
PACKAGE
SOP
TSSOP
ORDER CODES
T UB E
T&R
74VHCT126AM 74VHCT126AMTR
74VHCT126ATTR
This device requires the 3-STATE control input G
to be set low to place the output into the high
impedance state.
Power down protection is provided on all inputs
and outputs 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
March 2000
1/8
74VHCT126A
CAPACITIVE CHARACTERISTICS
Symb ol
Parameter
Test Conditions
Valu e
Unit
TA = 25 oC
-40 to 85 oC
Min. T yp. Max. Min. Max.
CIN Input Capacitance
4 10
10 pF
COUT Output Capacitance
10 pF
CPD Power Dissipation
Capacitance (note 1)
14 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 operting current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN + ICC/4(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
0.3 0.8
-0.8 -0.3
VIHD Dynamic High Voltage
Input (note 1, 3)
5.0
CL = 50 pF
2.0
V
VILD Dynamic Low Voltage
Input (note 1, 3)
5.0
0.8
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
c
D
E
E1
e
K
L
74VHCT126A
TSSOP14 MECHANICAL DATA
MIN.
0.05
0.85
0.19
0.09
4.9
6.25
4.3
0o
0.50
mm
TYP.
0.10
0.9
5
6.4
4.4
0.65 BSC
4o
0.60
MAX.
1.1
0.15
0.95
0.30
0.20
5.1
6.5
4.48
8o
0.70
MIN.
0.002
0.335
0.0075
0.0035
0.193
0.246
0.169
0o
0.020
inch
TYP.
0.004
0.354
0.197
0.252
0.173
0.0256 BSC
4o
0.024
MAX.
0.433
0.006
0.374
0.0118
0.0079
0.201
0.256
0.176
8o
0.028
A A2
A1 b
e
D
c
KL
E
PIN 1 IDENTIFICATION
1
E1
7/8
7페이지 | |||
구 성 | 총 8 페이지수 | ||
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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 |
74VHCT126A | QUAD BUS BUFFERS 3-STATE | STMicroelectronics |
74VHCT126AM | QUAD BUS BUFFERS 3-STATE | STMicroelectronics |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |