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參數(shù)資料
| 型號： | AC16245DGG |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 通用總線功能 |
| 英文描述： | 2.5V/3.3V 16-bit bus transceiver with direction pin 3-State |
| 中文描述： | ALVC/VCX/A SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48 |
| 文件頁數(shù)： | 6/10頁 |
| 文件大小： | 91K |
| 代理商： | AC16245DGG |
Philips Semiconductors
Product specification
74ALVC16245/
74ALVCH16245
16-bit bus transceiver with direction pin (3-State)
1998 Jun 29
6
AC CHARACTERISTICS FOR V
CC
= 3.0V TO 3.6V RANGE AND V
CC
= 2.7V
GND = 0V; t
r
= t
f
≤
2.5ns; C
L
= 50pF
LIMITS
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 3.3
±
0.3V
MIN
TYP
1, 2
V
CC
= 2.7V
TYP
1
UNIT
MAX
MIN
MAX
t
PHL
/t
PLH
Propagation delay
nAn to nBn; nBn to nAn
3-State output enable time
nOE to nAn; nOE to nBn
3-State output disable time
nOE to nAn; nOE to nBn
1, 3
1.0
1.9
3.0
1.0
2.1
3.6
ns
t
PZH
/t
PZL
2, 3
1.0
2.3
4.4
1.0
3.0
5.4
ns
t
PHZ
/t
PLZ
2, 3
1.0
2.8
4.1
1.0
3.1
4.6
ns
NOTES:
1. All typical values are measured at T
amb
= 25
°
C.
2. Typical value is measured at V
CC
= 3.3V
AC WAVEFORMS FOR V
CC
= 2.3V TO 2.7V AND
V
CC
< 2.3V RANGE
V
M
= 0.5 V
CC
V
X
= V
OL
+ 0.15V
V
Y
= V
–0.15V
V
and V
OH
are the typical output voltage drop that occur with the
output load.
VI
= V
CC
AC WAVEFORMS FOR V
CC
= 3.0V TO 3.6V AND
V
CC
= 2.7V RANGE
V
M
= 1.5 V
V
X
= V
OL
+ 0.3V
V
Y
= V
–0.3V
V
OL
and V
OH
are the typical output voltage drop that occur with the
output load.
VI
= 2.7V
SW00063
An, Bn
INPUT
V
M
t
PHL
t
PLH
V
OL
V
I
V
M
GND
V
OH
Bn, An
OUTPUT
Waveform 1. Input (nAn, nBn) to output (nBn, nAn)
propagation delay times
t
PLZ
t
PZL
V
I
OE INPUT
GND
V
CC
OUTPUT
LOW-to-OFF
OFF-to-LOW
V
OL
V
OH
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
SW00064
Waveform 2. 3-State enable and disable times
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