參數(shù)資料
型號: 74ALVCH16841DL
廠商: NXP Semiconductors N.V.
英文描述: 20-bit bus interface D-type latch (3-State)
中文描述: 20位總線接口,D型鎖存器(3態(tài))
文件頁數(shù): 6/10頁
文件大?。?/td> 77K
代理商: 74ALVCH16841DL
Philips Semiconductors
Product specification
74ALVCH16841
20-bit bus interface D-type latch (3-State)
1998 Jul 27
6
AC CHARACTERISTICS FOR V
CC
= 2.3V TO 2.7V RANGE
GND = 0V; t
r
= t
f
2.0ns; C
L
= 30pF
LIMITS
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 2.3 to 2.7V
TYP
1
UNIT
MIN
MAX
t
PLH
/t
PHL
Propagation delay
nD
n
to nQ
n
Propagation delay
nLE to nQ
n
3-State output enable time
nOE
n
to nQ
n
3-State output disable time
nOE
n
to nQ
n
nLE pulse width HIGH
Set up time nD
n
to nLE
Hold time nD
n
to nLE
1, 5
1.0
2.5
5.0
ns
t
PLH
/t
PHL
2, 5
1.0
2.5
5.6
ns
t
PZH
/t
PZL
4, 5
1.0
2.7
6.2
ns
t
PHZ
/t
PLZ
4, 5
1.1
2.2
5.3
ns
t
W
t
SU
T
h
2, 5
3, 5
3, 5
3.3
1.3
1.4
1.5
0.1
0.3
ns
ns
ns
NOTE:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25
°
C.
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
LIMITS
V
CC
= 2.7V
TYP
1
SYMBOL
PARAMETER
WAVEFORM
V
CC
= 3.3
±
0.3V
TYP
1, 2
UNIT
MIN
MAX
MIN
MAX
t
PLH
/t
PHL
Propagation delay
nD
n
to nQ
n
Propagation delay
nLE to nQ
n
3-State output enable time
nOE
n
to nQ
n
3-State output disable time
nOE
n
to nQ
n
nLE pulse width HIGH
Set up time nD
n
to nLE
Hold time nD
n
to nLE
1, 5
1.0
2.4
3.9
1.0
2.6
4.7
ns
t
PLH
/t
PHL
2, 5
1.0
2.4
4.3
1.0
2.6
5.1
ns
t
PZH
/t
PZL
4, 5
1.0
2.3
4.9
1.0
3.1
6.0
ns
t
PHZ
/t
PLZ
4, 5
1.3
2.9
4.1
1.3
3.1
4.3
ns
t
W
t
SU
t
h
2, 5
3, 5
3, 5
3.3
1.0
1.4
1.5
0.6
0.2
3.3
1.1
1.7
1.5
0.1
0.2
ns
ns
ns
NOTES:
1. All typical values are measured T
amb
= 25
°
C.
2. Typical value is measured at V
CC
= 3.3V
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