參數(shù)資料
型號： AC244
廠商： Texas Instruments, Inc.
英文描述： OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
中文描述： 八路緩沖器/ 3司機態(tài)輸出
文件頁數(shù)： 3/14頁
文件大小： 328K
代理商： AC244
SCAS514E JUNE 1995 REVISED OCTOBER 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54AC244
MIN
SN74AC244
MIN
UNIT
MAX
MAX
VCC
Supply voltage
2
6
2
6
V
VCC = 3 V
VCC = 4.5 V
VCC = 5.5 V
VCC = 3 V
VCC = 4.5 V
VCC = 5.5 V
2.1
2.1
VIH
High-level input voltage
3.15
3.15
V
3.85
3.85
0.9
0.9
VIL
Low-level input voltage
1.35
V
1.65
1.65
VI
VO
Input voltage
0
VCC
VCC
12
0
VCC
VCC
12
V
Output voltage
0
0
V
VCC = 3 V
VCC = 4.5 V
VCC = 5.5 V
VCC = 3 V
VCC = 4.5 V
VCC = 5.5 V
IOH
High-level output current
24
24
mA
24
24
12
12
IOL
Low-level output current
24
24
mA
24
24
t/
v
TA
NOTE 3: All unused 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
8
8
ns/V
°
C
Operating free-air temperature
55
125
40
85
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