參數(shù)資料
型號(hào): 7LVT2952PWDH
廠商: NXP Semiconductors N.V.
英文描述: 3.3V LVT octal registered transceiver 3-State
中文描述: 3.3小型終端收發(fā)器八注冊(cè)三態(tài)
文件頁數(shù): 6/12頁
文件大?。?/td> 102K
代理商: 7LVT2952PWDH
Philips Semiconductors
Product specification
74LVT2952
3.3V Octal registered transceiver (3-State)
1998 Feb 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
V
CC
= 2.7V
UNIT
MIN
TYP
1
MAX
MAX
f
MAX
Maximum clock frequency
1
150
200
MHz
t
PLH
t
PHL
Propagation delay
CPBA to An, CPAB to Bn
1
1.3
1.8
3.1
3.8
6.1
6.0
7.1
6.9
ns
t
PZH
t
PZL
Output enable time
OEBA to An, OEAB to Bn
3
4
1.0
1.2
3.4
3.6
5.6
6.5
6.7
8.0
ns
t
PHZ
t
PLZ
Output disable time
OEBA to An, OEAB to Bn
3
4
1.0
1.6
3.7
3.4
6.3
5.1
6.9
5.3
ns
NOTE:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25
°
C.
AC SETUP REQUIREMENTS
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
V
CC
= 2.7V
UNIT
MIN
TYP
1
MIN
t
s
(H)
t
s
(L)
Setup time
An to CPAB or Bn to CPBA
2
2.5
2.5
1
1
2.8
3.0
ns
t
n
(H)
t
n
(L)
Hold time
An to CPAB ro Bn to CPBA
2
1.5
2.5
–0.5
–0.5
0.7
2.6
ns
t
s
(H)
t
s
(L)
Setup time
CEAB to CPAB or CEBA to CPBA
2
0.9
2.4
0.3
–0.3
0.8
2.7
ns
t
n
(H)
t
n
(L)
Hold time
CEAB to CPAB or CEBA to CPBA
2
1.5
2.5
0.3
0
0.7
2.6
ns
t
W
(H)
t
W
(L)
CPAB or CPBA pulse width
High or Low
1
3.3
3.3
1
1
3.3
3.3
ns
AC WAVEFORMS
V
M
= 1.5V, V
IN
= GND to 2.7V
1.5V
1/f
MAX
t
w
(H)
t
PHL
t
w
(L)
t
PLH
CPBA or
CPAB
An or Bn
1.5V
1.5V
1.5V
1.5V
2.7V
0V
V
OH
V
OL
SV00040
Waveform 1.
Propagation Delay, Clock Input to Output, Clock
Pulse Width, and Maximum Clock Frequency
ééé
t
s
(H)
ééééééééé
ééééééééé
ééééééééé
t
h
(H)
t
s
(L)
t
h
(L)
An, Bn
CEAB,
CEBA
CPAB,
CPBA
1.5V
1.5V
1.5V
1.5V
1.5V
1.5V
0V
2.7V
0V
NOTE: The shaded areas indicate when the input is permitted
to change for predictable output performance.
SV00131
Waveform 2.
Data Setup and Hold Times
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