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參數(shù)資料
| 型號(hào)： | 74AHCT125 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quad buffer/line driver; 3-state(四通道緩沖器/線(xiàn)驅(qū)動(dòng)器（三態(tài)）) |
| 中文描述： | 四緩沖器/線(xiàn)路驅(qū)動(dòng)器，3態(tài)（四通道緩沖器/線(xiàn)驅(qū)動(dòng)器（三態(tài)）） |
| 文件頁(yè)數(shù)： | 2/16頁(yè) |
| 文件大?。?/td> | 78K |
| 代理商： | 74AHCT125 |
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1999 Sep 27
2
Philips Semiconductors
Product specification
Quad buffer/line driver; 3-state
74AHC125; 74AHCT125
FEATURES
ESD protection:
HBM EIA/JESD22-A114-A
exceeds 2000 V
MM EIA/JESD22-A115-A
exceeds 200 V
CDM EIA/JESD22-C101
exceeds 1000 V
Balanced propagation delays
All inputs have Schmitt-trigger
actions
Inputsacceptsvoltageshigherthan
V
CC
For AHC only:
operates with CMOS input levels
For AHCT only:
operates with TTL input levels
Specified from
40 to +85 and +125
°
C.
DESCRIPTION
The 74AHC/AHCT125 are
high-speed Si-gate CMOS devices
and are pin compatible with low
power Schottky TTL (LSTTL). They
are specified in compliance with
JEDEC standard No. 7A.
The 74AHC/AHCT125 are four
non-inverting buffer/line drivers with
3-state outputs. The 3-state outputs
(nY) are controlled by the output
enable input (nOE). A HIGH at n
causes the outputs to assume a
HIGH-impedance OFF-state.
The ‘125’ is identical to the ‘126’ but
has active LOW enable inputs.
QUICK REFERENCE DATA
GND = 0 V; T
amb
= 25
°
C; t
r
= t
f
≤
3.0 ns.
Notes
1.
C
PD
is used to determine the dynamic power dissipation (P
D
in
μ
W).
P
D
= C
PD
×
V
CC2
×
f
i
+
∑
(C
L
×
V
CC2
×
f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
∑
(C
L
×
V
CC2
×
f
o
) = sum of outputs;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in Volts.
The condition is V
I
= GND to V
CC
.
2.
FUNCTION TABLE
See note 1.
Note
1.
H = HIGH voltage level;
L = LOW voltage level;
X = don’t care;
Z = high-impedance OFF-state.
SYMBOL
PARAMETER
CONDITIONS
TYPICAL
UNIT
AHC
AHCT
t
PHL
/t
PLH
propagation delay
nA to nY
input capacitance
output capacitance
power dissipation
capacitance
C
L
= 15 pF;
V
CC
= 5 V
V
I
= V
CC
or GND
3.0
3.0
ns
C
I
C
O
C
PD
3.0
4.0
10
3.0
4.0
12
pF
pF
pF
C
L
= 50 pF;
f = 1 MHz;
notes 1 and 2
INPUT
OUTPUT
nOE
nA
nY
L
L
H
L
H
X
L
H
Z
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 74AHC126 | Quad buffer/line driver; 3-state |
| 74AHC126PWDH | Quad buffer/line driver; 3-state |
| 74AHCT126 | Quad buffer/line driver; 3-state(四通道緩沖器/線(xiàn)驅(qū)動(dòng)器（三態(tài)）) |
| 74AHC132 | DC BLOCK F MALE TO F FEMALE; 10 MHz - 2 GHz; DC BLOCK F MALE TO F FEMALE; TYPE OF DC BLOCK: INNER; FREQUENCY RANGE: 10 MHz -2 GHz |
| 74AHC132PWDH | 16-Bit LVTTL-to-GTLP Bus Transceiver 48-TVSOP -40 to 85 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 74AHCT125BQ | 制造商:NXP Semiconductors 功能描述:IC QUAD BUFFER TRI-ST DHVQF |
| 74AHCT125BQ,115 | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 5V QUAD BUFF/LD ACTIVE LOW OUT RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| 74AHCT125BQ-Q100,1 | 制造商:NXP Semiconductors 功能描述:Buffer/Line Driver 4-CH Non-Inverting 3-ST CMOS 14-Pin DHVQFN EP T/R 制造商:NXP Semiconductors 功能描述:74AHCT125BQ-Q100/DHVQFN14/REEL - Tape and Reel 制造商:NXP Semiconductors 功能描述:IC BUFFER LINE DVR QUAD 14DHVQFN |
| 74AHCT125BQ-Q100,115 | 制造商:NXP Semiconductors 功能描述: |
| 74AHCT125D | 功能描述:緩沖器和線(xiàn)路驅(qū)動(dòng)器 QUAD 3-STATE BUS BUF RoHS:否 制造商:Micrel 輸入線(xiàn)路數(shù)量:1 輸出線(xiàn)路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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