參數(shù)資料
型號(hào): HD74SSTV16857
廠商: Hitachi,Ltd.
英文描述: 1:1 14-bit SSTL_2 Registered Buffer(1:1 14-位 SSTL_2 寄存緩沖器)
中文描述: 1:1 14位SSTL_2注冊(cè)緩沖區(qū)(1:1 14 -位SSTL_2寄存緩沖器)
文件頁(yè)數(shù): 7/15頁(yè)
文件大?。?/td> 64K
代理商: HD74SSTV16857
HD74SSTV16857
7
Electrical Characteristics
Item
Symbol
V
CC
(V)
V
IK
V
OH
Min
Typ
Max
Unit Test Conditions
Input diode voltage
2.3
–1.2
V
I
IN
= –18 mA
I
OH
= –100
μ
A
I
OH
= –16 mA
I
OL
= 100
μ
A
I
OL
= 16 mA
V
IN
= 2.7 V or 0
V
IN
= V
IH(AC)
or V
IL(AC)
, I
O
= 0
RESET
= GND
RESET
= V
,
V
I
= V
IH(AC)
or V
IL(AC)
,
CLK and
CLK
switching 50%
duty cycle
RESET
= V
,
V
I
= V
IH(AC)
or V
IL(AC)
,
CLK and
CLK
switching 50%
duty cycle. One data input
switching at half clock
frequency, 50% duty cycle.
Output voltage
2.3 to 2.7 V
CC
–0.2 —
2.3
1.95
V
V
DDQ
0.2
V
OL
2.3 to 2.7 —
2.3
0
0.35
Input current
(All inputs)
I
IN
I
CC
*2
I
CC (stdy)
2.7
±
5
μ
A
Quiescent supply current
2.7
45
mA
Standby current
2.7
10
μ
A
μ
A/
clock
MHz
Dynamic operating clock only I
CCD
*2
2.7
90
Dynamic operating per each
data input
I
CCD
*2
2.7
15
μ
A/
clock
MHz/
data
input
Output high
*3
r
OH
r
OL
r
O(
)
2.3 to 2.7 7
22
*4
I
OH
= –20 mA
I
OL
= 20 mA
I
O
= 20 mA, Ta = 25
°
C
Output low
*3
2.3 to 2.7 7
22
*4
r
– r
each
separate bit
*3
2.5
4
Input
Data inputs
C
IN
2.5
*1
2.5
3.5
pF
V
I
= V
REF
±
310 mV
capacitance
CLK and
CLK
2.5
3.5
V
CMR
= 1.25 V, V
PP
= 360 mV
V
I
= V
CC
or GND
RESET
3.0
Notes: 1. All typical values are at V
CC
= 2.5 V, Ta = 25
°
C.
2. Total I
CC
(max) = I
CC
+ {I
CCD
(clock)
×
f(clock)} + {I
CCD
(Data)
×
1/2f(clock)
×
14}
3. This is effective in the case that it did terminate by resistance.
4. See figure. 1, 2
相關(guān)PDF資料
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HD74SSTV16859 1:2 13-bit SSTL_2 Registered Buffer(1:2 13-位 SSTL_2 寄存緩沖器)
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