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參數(shù)資料
| 型號： | SN74AVCH245 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUS TRANSCEIVER WITH 3-STATE OUTPUTS |
| 中文描述： | 八路總線收發(fā)器具有三態(tài)輸出 |
| 文件頁數(shù)： | 5/12頁 |
| 文件大小： | 177K |
| 代理商： | SN74AVCH245 |
SN74AVCH245
OCTAL BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES264C – APRIL 1999 – REVISED DECEMBER 1999
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 4)
MIN
1.4
MAX
3.6
UNIT
VCC
Supply voltage
Operating
V
Data retention only
1.2
VCC = 1.2 V
VCC = 1.4 V to 1.6 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 3 V to 3.6 V
VCC = 1.2 V
VCC = 1.4 V to 1.6 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 3 V to 3.6 V
VCC
0.65
×
VCC
0.65
×
VCC
1.7
VIH
High-level input voltage
V
2
GND
0.35
×
VCC
0.35
×
VCC
0.7
VIL
Low-level input voltage
V
0.8
VI
Input voltage
0
3.6
V
VO
Output voltage
Active state
0
VCC
3.6
V
3-state
0
VCC = 1.4 V to 1.6 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 3 V to 3.6 V
VCC = 1.4 V to 1.6 V
VCC = 1.65 V to 1.95 V
VCC = 2.3 V to 2.7 V
VCC = 3 V to 3.6 V
VCC = 1.4 V to 3.6 V
–2
IOHS
Static high level output current
Static high-level output current
–4
mA
–8
–12
2
IOLS
Static low level output current
Static low-level output current
4
mA
8
12
t/
v
TA
Dynamic drive capability is equivalent to standard outputs with IOH and IOL of
±
24 mA at 2.5-V VCC. See Figure 1 for VOL vs IOL and VOH vs IOH
characteristics. Refer to the TI application reports,
AVC Logic Family Technology and Applications
, literature number
SCEA006
,
and
Dynamic Output Control (DOC
) Circuitry Technology and Applications
, literature number
SCEA009
.
NOTE 4: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs literature number SCBA004.
Input transition rise or fall rate
5
ns/V
°
C
Operating free-air temperature
–40
85
P
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