參數(shù)資料
型號(hào): HD74SSTL16837
廠商: Hitachi,Ltd.
英文描述: 20-bit SSTL_3 Interface Universal Bus Driver with 3-state Outputs(20位 SSTL_3 通用總線驅(qū)動(dòng)器帶三態(tài)輸出)
中文描述: 20位SSTL_3接口通用總線驅(qū)動(dòng)器,三態(tài)輸出(20位SSTL_3通用總線驅(qū)動(dòng)器帶三態(tài)輸出)
文件頁(yè)數(shù): 7/13頁(yè)
文件大小: 86K
代理商: HD74SSTL16837
HD74SSTL16837
7
Switching Characteristics
(Ta = 0 to 70
°
C, C
L
= 30 pF, Class II, V
DDQ
= V
CC
)
Item
Symbol V
CC
(V)
Min
Typ
Max
Unit
From
(Input)
To
(Output)
Maximum clock frequency f
max
Propagation delay time
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
200
MHz
t
PLH
t
PHL
1.1
4.2
ns
A
Y
1.5
4.3
LE
Y
1.0
3.2
CLK
OE
OE
Y
Output enable time
t
ZH
, t
ZL
t
HZ
, t
LZ
1.8
5.5
ns
Y
Output disable time
1.8
6.0
ns
Y
(Ta = 0 to 70
°
C, C
L
= 10 pF, Class I, V
DDQ
= V
CC
)
Item
Symbol V
CC
(V)
Min
Typ
Max
Unit
From
(Input)
To
(Output)
Maximum clock frequency f
max
Propagation delay time
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
200
MHz
t
PLH
t
PHL
1.1
4.0
ns
A
Y
1.5
4.1
LE
Y
1.0
3.0
CLK
OE
OE
Y
Output enable time
t
ZH
, t
ZL
t
HZ
, t
LZ
1.8
5.5
ns
Y
Output disable time
Note : The item of C
L
= 10 pF condition are guaranteed on design.
1.8
6.0
ns
Y
(Ta = 0 to 70
°
C, V
DDQ
= V
CC
)
Item
Symbol V
CC
(V)
t
su
Min
Typ
Max
Unit
From (Input)
Setup time
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
3.3
±
0.3
1.5
ns
A before CLK
, LE “L”
A before LE
, CLK “H”
A before LE
, CLK “L”
A after CLK
, LE “L”
A after LE
1.5
2.0
Hold time
t
h
1.0
ns
1.0
Pulse width
t
W
2.5
ns
LE “H”
2.5
CLK “H” or “L”
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