參數(shù)資料
型號(hào): 74F1245
廠商: NXP Semiconductors N.V.
英文描述: Octal transceiver 3-State
中文描述: 八路收發(fā)器三態(tài)
文件頁數(shù): 5/10頁
文件大?。?/td> 86K
代理商: 74F1245
Philips Semiconductors
Product specification
74F1245
Octal transceiver (3-State)
1995 Mar 01
5
AC ELECTRICAL CHARACTERISTICS
LIMITS
SYMBOL
PARAMETER
TEST
CONDITION
V
CC
= +5.0V
T
= +25
°
C
C
L
= 50pF, R
L
= 500
V
CC
= +5.0V
±
10%
T
amb
= 0
°
C to +70
°
C
C
L
L
= 500
UNIT
MIN
TYP
MAX
MIN
MAX
t
PLH
t
PHL
Propagation delay
An to Bn, Bn to An
Waveform
NO TAG
2.0
2.5
4.0
5.0
6.5
7.5
1.5
2.0
7.0
8.0
ns
t
PZH
t
PZL
Output Enable time
OE to An or Bn
Waveform
NO TAG
Waveform
NO TAG
3.0
4.0
6.0
7.5
8.0
10.0
2.5
3.5
9.0
11.0
ns
t
PHZ
t
PLZ
Output Disable time
OE to An or Bn
Waveform
NO TAG
Waveform
NO TAG
2.0
4.0
5.0
7.0
8.0
10.0
1.5
4.0
9.0
11.0
ns
AC WAVEFORMS
For all waveforms, V
M
= 1.5V.
V
M
V
M
V
M
V
M
Bn, An
An, Bn
t
PLH
t
PHL
SF00202
Waveform 1.
Propagation Delay for Non-Inverting Output
V
OH
–0.3V
V
M
V
M
V
M
An, Bn
t
PZH
t
PHZ
SF00203
OE
0V
Waveform 2.
3-State Output Enable Time to High Level and
Output Disable Time from High Level
V
OL
+0.3V
V
M
V
M
V
M
An, Bn
t
PZL
t
PLZ
SF00204
OE
Waveform 3.
3-State Output Enable Time to Low Level and
Output Disable Time from Low Level
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