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74LVT125 데이터시트 PDF




NXP Semiconductors에서 제조한 전자 부품 74LVT125은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 74LVT125 자료 제공

부품번호 74LVT125 기능
기능 3.3V Quad buffer 3-State
제조업체 NXP Semiconductors
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74LVT125 데이터시트, 핀배열, 회로
74LVT125
3.3 V quad buffer; 3-state
Rev. 05 — 10 February 2005
Product data sheet
1. General description
The LVT125 is a high-performance BiCMOS product designed for VCC operation at 3.3 V.
This device combines low static and dynamic power dissipation with high speed and high
output drive. The 74LVT125 device is a quad buffer that is ideal for driving bus lines. The
device features four output enable inputs (1OE, 2OE, 3OE and 4OE), each controlling one
of the 3-state outputs.
2. Features
s Quad bus interface
s 3-state buffers
s Output capability: +64 mA and 32 mA
s TTL input and output switching levels
s Input and output interface capability to systems at 5 V supply
s Bus-hold data inputs eliminate the need for external pull-up resistors to hold unused
inputs
s Live insertion and extraction permitted
s No bus current loading when output is tied to 5 V bus
s Power-up 3-state
s Latch-up protection:
x JESD78: exceeds 500 mA
s ESD protection:
x MIL STD 883 method 3015: exceeds 2000 V
x Machine model: exceeds 200 V
3. Quick reference data
Table 1: Quick reference data
GND = 0 V; Tamb = 25 °C.
Symbol Parameter
Conditions
tPLH propagation delay nA to nY CL = 50 pF; VCC = 3.3 V
tPHL propagation delay nA to nY CL = 50 pF; VCC = 3.3 V
CI input capacitance
VI = 0 V or 3.0 V
CO output capacitance
outputs disabled;
VO = 0 V or 3.0 V
ICC quiescent supply current outputs disabled;
VCC = 3.6 V
Min Typ Max Unit
- 2.7 - ns
- 2.9 - ns
- 4 - pF
- 8 - pF
- 0.13 - mA




74LVT125 pdf, 반도체, 판매, 대치품
Philips Semiconductors
74LVT125
3.3 V quad buffer; 3-state
7. Functional description
7.1 Function table
Table 4:
Input
nOE
L
L
H
Function table [1]
nA
L
H
X
[1] H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
Z = high-impedance OFF-state.
8. Limiting values
Output
nY
L
H
Z
Table 5: Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to
GND (ground = 0 V).
Symbol Parameter
Conditions
Min Max Unit
VCC supply voltage
VI input voltage
VO output voltage
output in OFF-state or
HIGH-state
0.5
[1] 0.5
[1] 0.5
+4.6
+7.0
+7.0
V
V
V
IIK input diode current VI < 0 V
IOK
output diode current
VO < 0 V
IO output current
output in LOW-state
output in HIGH-state
- 50 mA
- 50 mA
- 128 mA
- 64 mA
Tstg storage temperature
Tj junction temperature
65
[2] -
+150 °C
150 °C
[1] The input and output negative voltage ratings may be exceeded if the input and output clamp current ratings
are observed.
[2] The performance capability of a high-performance integrated circuit in conjunction with its thermal
environment can create junction temperatures which are detrimental to reliability.
9397 750 14703
Product data sheet
Rev. 05 — 10 February 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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74LVT125 전자부품, 판매, 대치품
Philips Semiconductors
Table 8: Dynamic characteristics …continued
GND = 0 V; tr = tf = 2.5 ns; CL = 50 pF; RL = 500 ; for test circuit see Figure 8.
Symbol Parameter
Conditions
tPHZ output disable time nOE to nY
tPLZ output disable time nOE to nY
VCC = 2.7 V
VCC = 3.3 V ± 0.3 V
VCC = 2.7 V
VCC = 3.3 V ± 0.3 V
[1] Typical values are at VCC = 3.3 V and Tamb = 25 °C.
12. Waveforms
74LVT125
3.3 V quad buffer; 3-state
Min Typ Max Unit
- - 5.7 ns
1.8 3.7 5.1 ns
- - 4.0 ns
1.3 2.6 4.5 ns
VI
nA input
GND
VOH
tPLH
nY output
VOL
VM
VM
VM
tPHL
VM
mnb072
Fig 6.
VM = 1.5 V.
VOL and VOH are typical voltage output drop that occur with the output load.
Propagation delay input (nA) to output (nY)
nOE input
VI
GND
VCC
nY output
VOL
VOH
nY output
0V
VM
tPZL
VM
t PZH
VM
tPLZ
VOL + 0.3 V
t PHZ
VOH 0.3 V
001aac475
Fig 7.
VM = 1.5 V.
VOL and VOH are typical voltage output drop that occur with the output load.
Enable and disable times of 3-state outputs
9397 750 14703
Product data sheet
Rev. 05 — 10 February 2005
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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부품번호상세설명 및 기능제조사
74LVT125

3.3V Quad buffer 3-State

NXP Semiconductors
NXP Semiconductors
74LVT125

3.3V Quad buffer 3-State

NXP Semiconductors
NXP Semiconductors

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