參數(shù)資料
型號: SN74AHC16245
廠商: Texas Instruments, Inc.
英文描述: 16-Bit Bus Transceivers With 3-State Outputs(16位緩沖器/驅(qū)動器(三態(tài)輸出))
中文描述: 16日與3位總線收發(fā)器態(tài)輸出(16位緩沖器/驅(qū)動器(三態(tài)輸出))
文件頁數(shù): 3/7頁
文件大?。?/td> 165K
代理商: SN74AHC16245
SN54AHC16245, SN74AHC16245
16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS328B – MARCH 1996 – REVISED JUNE 1997
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
CC
Input voltage range, V
I
(see Note 1)
Output voltage range, V
O
(see Note 1)
Input clamp current, I
IK
(V
I
< 0)
Output clamp current, I
OK
(V
O
< 0 or V
O
> V
CC
)
Continuous output current, I
O
(V
O
= 0 to V
CC
)
Continuous current through each V
CC
or GND
Package thermal impedance,
θ
JA
(see Note 2): DGG package
–0.5 V to 7 V
–0.5 V to 7 V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
–0.5 V to V
CC
+ 0.5 V
–20 mA
±
20 mA
±
25 mA
±
75 mA
89
°
C/W
94
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DL package
Storage temperature range, T
stg
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.
NOTES:
1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51.
–65
°
C to 150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
recommended operating conditions (see Note 3)
SN54AHC16245
MIN
SN74AHC16245
MIN
UNIT
MAX
MAX
VCC
Supply voltage
2
5.5
2
5.5
V
VIH
Hi h l
High-level input voltage
VCC = 2 V
VCC = 3 V
VCC = 5.5 V
VCC = 2 V
VCC = 3 V
VCC = 5.5 V
1.5
1.5
V
2.1
2.1
3.85
3.85
VIL
Low-level input voltage
0.5
0.5
V
0.9
0.9
1.65
1.65
VI
VO
Input voltage
0
5.5
0
5.5
V
Output voltage
0
VCC
–50
0
VCC
–50
V
IOH
Hi h l
High-level output current
VCC = 2 V
VCC = 3.3
±
0.3 V
VCC = 5
±
0.5 V
VCC = 2 V
VCC = 3.3
±
0.3 V
VCC = 5
±
0.5 V
VCC = 3.3
±
0.3 V
VCC = 5
±
0.5 V
A
–4
–4
mA
–8
–8
IOL
Low-level output current
50
50
A
4
4
mA
8
8
t/
v
Input transition rise or fall rate
100
100
ns/V
20
20
TA
Operating free-air temperature
–55
125
–40
85
°
C
NOTE 3: Unused inputs must be held high or low to prevent them from floating.
P
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