參數(shù)資料
型號: BH16245BDGG
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: 16-bit bus transceiver 3-state
中文描述: ABT SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48
文件頁數(shù): 6/11頁
文件大?。?/td> 80K
代理商: BH16245BDGG
Philips Semiconductors
Product specification
74ABT16245B
74ABTH16245B
16-bit bus transceiver (3-State)
1998 Feb 25
6
AC CHARACTERISTICS
GND = 0V; t
R
= t
F
= 2.5ns; C
L
= 50pF, R
L
= 500
LIMITS
SYMBOL
PARAMETER
WAVEFORM
T
amb
= +25
°
C
V
CC
= +5.0V
T
amb
= –40
°
C to +85
°
C
CC
= +5.0V
±
0.5V
UNIT
Min
Typ
Max
Min
Max
t
PLH
t
PHL
Propagation delay
nAx to nBx or nBx to nAx
1
1.0
1.0
2.0
2.3
3.2
3.5
1.0
1.0
3.5
4.0
ns
t
PZH
t
PZL
Output enable time
to High and Low level
2
1.0
1.7
3.1
4.0
4.4
5.2
1.0
1.7
5.1
6.1
ns
t
PHZ
t
PLZ
Output disable time
from High and Low level
2
1.7
1.5
3.5
3.2
4.9
4.4
1.7
1.5
5.4
5.0
ns
AC WAVEFORMS
V
M
= 1.5V, V
IN
= GND to 3.0V
INPUT
V
M
V
M
OUTPUT
V
M
V
M
t
PLH
t
PHL
SA00023
Waveform 1. Input to Output Propagation Delays
nOE INPUT
OUTPUT
OUTPUT
V
M
V
M
t
PZH
t
PHZ
V
OH
V
OH
– 0.3V
V
M
V
M
V
OL
t
PZL
t
PLZ
3.5V
0V
V
OL
+ 0.3V
SA00024
Waveform 2. 3-State Output Enable and Disable Times
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