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參數(shù)資料
| 型號(hào)： | VCH16541ADL |
| 廠(chǎng)商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 通用總線(xiàn)功能 |
| 英文描述： | 16-bit buffer/line driver 3-State |
| 中文描述： | LVC/LCX/Z SERIES, DUAL 8-BIT DRIVER, TRUE OUTPUT, PDSO48 |
| 文件頁(yè)數(shù)： | 6/10頁(yè) |
| 文件大?。?/td> | 83K |
| 代理商： | VCH16541ADL |
Philips Semiconductors
Product specification
74LVCH16541A
16-bit buffer/line driver; 5V tolerant I/O (3-State)
1998 May 19
6
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
UNIT
MAX
MAX
t
PHL
t
PLH
Propagation delay
1An to 1Yn;
2An to 2Yn
1, 3
1.5
2.7
4.5
1.5
5.5
ns
t
PZH
t
PZL
3-State output enable time
1OEn to 1Yn;
2OEn to 2Yn
2, 3
1.5
3.5
5.9
1.5
6.9
ns
t
PHZ
t
PLZ
3-State output disable time
1OEn to 1Yn;
2OEn to 2Yn
2, 3
1.5
3.9
5.5
1.5
6.5
ns
NOTE:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25
°
C.
AC WAVEFORMS
V
M
= 1.5V at V
V
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
= 0.5 V
at V
2.7V.
2.7V
2.7V
SW00116
An
INPUT
V
M
t
PHL
t
PLH
V
OL
V
I
V
M
GND
V
OH
Yn
OUTPUT
Waveform 1. Input (An) to output (Yn) propagation delay times
t
PLZ
t
PZL
V
I
OE INPUT
GND
V
CC
Y OUTPUT
LOW-to-OFF
OFF-to-LOW
V
OL
V
OH
Y OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
outputs
enabled
outputs
enabled
outputs
disabled
t
PHZ
V
M
V
M
V
M
t
PZH
V
X
V
Y
SW00112
Waveform 2. 3-State enable and disable times
TEST CIRCUIT
PULSE
GENERATOR
V
I
R
T
D.U.T.
V
O
C
L
50pF
S
1
2 x V
CC
Open
GND
500
500
V
CC
V
I
2.7V
V
CC
2.7V
2.7V – 3.6V
Test
S
1
GND
t
PLZ
/t
PZL
t
PHZ
/t
PZH
2 x V
CC
t
PLH
/t
PHL
Open
SY00003
V
CC
Waveform 3. Load circuitry for switching times
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