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參數(shù)資料
| 型號(hào)： | 7AHCT244PWDH |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal buffer/line driver; 3-state |
| 中文描述： | 八路緩沖器/線路驅(qū)動(dòng)器，3態(tài) |
| 文件頁(yè)數(shù)： | 9/16頁(yè) |
| 文件大小： | 80K |
| 代理商： | 7AHCT244PWDH |
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1999 Sep 28
9
Philips Semiconductors
Product specification
Octal buffer/line driver; 3-state
74AHC244; 74AHCT244
Type 74AHCT244
GND = 0 V; t
r
= t
f
≤
3.0 ns.
Note
1.
Typical values at V
CC
= 5.0 V.
AC WAVEFORMS
SYMBOL
PARAMETER
TEST CONDITIONS
T
amb
(
°
C)
UNIT
WAVEFORMS
C
L
25
40 to +85
40 to +125
MIN.
TYP.
MAX.
MIN.
MAX.
MIN.
MAX.
V
CC
= 4.5 to 5.5 V;
note 1
t
PHL
/t
PLH
propagation delay
nA
n
to nY
n
propagation delay
nOE to nY
n
propagation delay
nOE to nY
n
propagation delay
nA
n
to nY
n
propagation delay
nOE to nY
n
propagation delay
nOE to nY
n
see Figs 4 and 6
15 pF
3.5
7.4
1.0
8.5
1.0
9.5
ns
t
PZL
/t
PZH
see Figs 5 and 6
3.5
10.4
1.0
12.0
1.0
13.0
ns
t
PLZ
/t
PHZ
5.0
9.4
1.0
10.0
1.0
12.0
ns
t
PHL
/t
PLH
see Figs 4 and 6
50 pF
5.0
8.4
1.0
9.5
1.0
10.5
ns
t
PZL
/t
PZH
see Figs 5 and 6
5.5
11.4
1.0
13.0
1.0
14.5
ns
t
PLZ
/t
PHZ
7.0
11.4
1.0
13.0
1.0
14.5
ns
Fig.4 The input (nA
n
) to output (nY
n
) propagation delays.
handbook, halfpage
MNA171
nAn INPUT
nYn OUTPUT
tPLH
tPHL
GND
VI
VM
VM
VM
VM
VOH
VOL
FAMILY
V
I
INPUT
REQUIREMENTS
V
M
INPUT
V
M
OUTPUT
AHC
AHCT
GND to V
CC
GND to 3.0 V
50% V
CC
1.5 V
50% V
CC
50% V
CC
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相關(guān)代理商/技術(shù)參數(shù) |
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| 7AHCT245PWDH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal bus transceiver; 3-state |
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| 7AHCT374PWDH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal D-type flip-flop; positive edge-trigger; 3-state |
| 7AHCT541PWDH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Octal buffer/line driver; 3-state |
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