參數(shù)資料
型號(hào): SN74AC245DB
廠商: Texas Instruments, Inc.
英文描述: OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
中文描述: 八路總線收發(fā)器與三態(tài)輸出
文件頁(yè)數(shù): 3/6頁(yè)
文件大?。?/td> 100K
代理商: SN74AC245DB
SN54AC245, SN74AC245
OCTAL BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCAS461D – FEBRUARY 1995 – REVISED DECEMBER 1996
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54AC245
MIN
SN74AC245
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
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
Input transition rise or fall rate
0
8
0
8
ns/V
°
C
TA
NOTE 3: Unused inputs must be held high or low to prevent them from floating.
Operating free-air temperature
–55
125
–40
85
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SN74AC245DW 制造商:Texas Instruments 功能描述:IC UNIVERSAL BUS FUNCTIONS LOGIC LOGIC