參數(shù)資料
型號(hào): 74LVT125
廠商: NXP Semiconductors N.V.
英文描述: 3.3V Quad buffer 3-State
中文描述: 3.3四緩沖三態(tài)
文件頁數(shù): 7/15頁
文件大小: 93K
代理商: 74LVT125
9397 750 14703
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 05 — 10 February 2005
7 of 15
Philips Semiconductors
74LVT125
3.3 V quad buffer; 3-state
[1]
Typical values are at V
CC
= 3.3 V and T
amb
= 25
°
C.
12. Waveforms
t
PHZ
output disable time nOE to nY
V
CC
= 2.7 V
V
CC
= 3.3 V
±
0.3 V
V
CC
= 2.7 V
V
CC
= 3.3 V
±
0.3 V
-
1.8
-
1.3
-
3.7
-
2.6
5.7
5.1
4.0
4.5
ns
ns
ns
ns
t
PLZ
output disable time nOE to nY
Table 8:
GND = 0 V; t
r
= t
f
= 2.5 ns; C
L
= 50 pF; R
L
= 500
; for test circuit see
Figure 8
.
Symbol Parameter
Dynamic characteristics
…continued
Conditions
Min
Typ
Max
Unit
V
M
= 1.5 V.
V
OL
and V
OH
are typical voltage output drop that occur with the output load.
Propagation delay input (nA) to output (nY)
Fig 6.
V
M
= 1.5 V.
V
OL
and V
OH
are typical voltage output drop that occur with the output load.
Enable and disable times of 3-state outputs
Fig 7.
mnb072
nA input
nY output
t
PLH
t
PHL
GND
V
I
V
M
V
M
V
M
V
M
V
OH
V
OL
001aac475
t
PZL
nY output
nY output
nOE input
V
OL
V
CC
V
OH
V
I
V
M
GND
0 V
t
PLZ
t
PZH
t
PHZ
V
OL
+
0.3 V
V
OH
0.3 V
V
M
V
M
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