參數(shù)資料
型號(hào): HD74CDC587
廠商: Hitachi,Ltd.
英文描述: 3.3-V Phase-lock Loop Clock Driver with 3-state Outputs(3.3-V 鎖相環(huán)時(shí)鐘驅(qū)動(dòng)器)
中文描述: 3.3 - V相位鎖3環(huán)路時(shí)鐘驅(qū)動(dòng)器狀態(tài)輸出(3.3 V的鎖相環(huán)時(shí)鐘驅(qū)動(dòng)器)
文件頁(yè)數(shù): 4/13頁(yè)
文件大?。?/td> 79K
代理商: HD74CDC587
HD74CDC587
4
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Conditions
Supply voltage
V
CC
V
I
V
O
I
O
I
IK
I
OK
P
T
–0.5 to 4.6
V
Input voltage
*1
–0.5 to 7.0
V
Output voltage
*1
–0.5 to V
CC
+0.5
48
V
Current into any output in the low state
mA
Input clamp current
–20
mA
V
I
< 0
V
O
< 0
TSSOP
Output clamp current
–50
mA
Maximum power dissipation
at Ta = 55
°
C (in still air)
*2
1
W
Storage temperature
Notes:
T
stg
–65 to +150
°
C
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage
to the device. These are stress ratings only, and functional operation of the device at these or
any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute maximum rated conditions for extended periods may affect device
reliability.
1. The input and output negative voltage ratings may be exceeded if the input and output clamp
current ratings are observed.
2. The maximum package power dissipation is calculated using a junction temperature of 150
°
C
and a board trace length of 750 mils.
Recommended Operating Conditions
Item
Symbol
Min
Typ
Max
Unit
Conditions
Supply voltage
V
CC
V
REF
V
I
I
OH
I
OL
T
a
3.0
3.6
V
SSTL reference voltage
1.3
1.5
1.7
V
Input voltage
0
5.5
V
Output current
–20
mA
20
Operating temperature
Note: Unused inputs must be held high or low to prevent them from floating.
0
70
°
C
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