參數(shù)資料
型號(hào)： 74LVC827A
廠商： NXP Semiconductors N.V.
英文描述： 10-bit buffer/line driver with 5-volt tolerant inputs/outputs; (3-State)(5V輸入/輸出容限的10位緩沖器/線驅(qū)動(dòng)器，（三態(tài)）)
中文描述： 10位緩沖器/線路驅(qū)動(dòng)器5伏容限輸入/輸出;（3態(tài)）（5V的輸入/輸出容限的10位緩沖器/線驅(qū)動(dòng)器，（三態(tài)））
文件頁(yè)數(shù)： 6/12頁(yè)
文件大?。?/td> 98K
代理商： 74LVC827A
Philips Semiconductors
Product specification
74LVC827A
10-bit buffer/line driver with 5-volt tolerant
inputs/outputs (3-State)
1998 Sep 04
6
DC ELECTRICAL CHARACTERISTICS (Continued)
Over recommended operating conditions voltages are referenced to GND (ground = 0V)
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
Temp = -40
°
C to +85
°
C
UNIT
MIN
TYP
1
MAX
I
I
Input leakage current
V
CC
= 3 6V; V = 5 5V or GND
I
= 5.5V or GND
Not for I/O pins
0 1
0.1
5
μ
A
I
OZ
3-State output OFF-state current
V
CC
= 3.6V; V
I
= V
IH
or V
IL
; V
O
= 5.5V or GND
0.1
5
μ
A
I
off
Power off leakage supply
V
CC
= 0.0V; V
I
or V
O
= 5.5V
0.1
10
μ
A
I
CC
Quiescent supply current
V
CC
= 3.6V; V
I
= V
CC
or GND; I
O
= 0
0.1
10
μ
A
I
CC
Additional quiescent supply current
per input pin
V
CC
= 2.7V to 3.6V; V
I
= V
CC
–0.6V; I
O
= 0
5
500
μ
A
NOTES:
1. All typical values are at V
= 3.3V and T
= 25
°
C.
2. The specified overdrive current at the data input forces the data input to the opposite logic input state.
AC CHARACTERISTICS
GND = 0V; t
r
= t
f
2.5ns; C
L
= 50pF; R
L
= 500
; T
amb
= –40
°
C to +85
°
C.
LIMITS
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 3.3V
±
0.3V
MIN
TYP
1
V
CC
= 2.7V
MIN
V
CC
= 1.2V
TYP
UNIT
MAX
MAX
t
PHL
t
PLH
Propagation delay
1A
n
to 1Y
n
;
2A
n
to 2Y
n
3-State output enable time
OE
1
to 1Y
n
;
OE
2
to 2Y
n
3-State output disable time
OE
1
to 1Y
n
;
OE
2
to 2Y
n
Figures 1, 3
1.5
4.0
6.7
1.5
7.1
15
ns
t
PZH
t
PZL
Figures 2, 3
1.5
5.4
8.5
1.5
9.5
25
ns
t
PHZ
t
PLZ
Figures 2, 3
1.5
4.0
6.7
1.5
7.3
11
ns
NOTE:
1. Unless otherwise stated, all typical values are at V
CC
= 3.3V and T
amb
= 25
°
C.
AC WAVEFORMS
V
M
= 1.5V at V
CC
V
OL
and V
OH
are the typical output voltage drop that occur with the
output load.
V
X
= V
OL
+ 0.3V at V
CC
2.7V; V
X
= V
OL
+ 0.1 V
CC
at V
CC
V
Y
= V
OH
–0.3V at V
CC
2.7V; V
Y
= V
OH
– 0.1 V
CC
at V
CC
2.7V; V
M
= 0.5 V
CC
at V
CC
2.7V.
2.7V
2.7V
VM
A
n
INPUT
Y
n
OUTPUT
VM
tPLH
tPHL
GND
VI
VOL
VOH
SA00431
Figure 1. The input (A
n
) to output (Y
n
) propagation delays.
outputs
disabled
outputs
enabled
outputs
enabled
tPHZ
tPZH
tPZL
tPLZ
OUTPUT
HIGH–to–OFF
OFF–to–HIGH
OUTPUT
LOW–to–OFF
OFF–to–LOW
VM
VM
OEn INPUT
VX
VOL
VOH
VY
GND
GND
VCC
VI
VM
SA00430
Figure 2. 3-State enable and disable times.
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