參數(shù)資料
型號(hào)： SN74AHCT16245DLR
廠商： TEXAS INSTRUMENTS INC
元件分類： 總線收發(fā)器
英文描述： AHCT/VHCT/VT SERIES, DUAL 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO48
封裝： GREEN, PLASTIC, SSOP-48
文件頁數(shù)： 8/13頁
文件大?。?/td> 377K
代理商： SN74AHCT16245DLR
SN54AHCT16245, SN74AHCT16245
16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS335J – MARCH 1996 – REVISED OCTOBER 2000
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
TA = 25°C
SN54AHCT16245
SN74AHCT16245
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
VOH
IOH = –50 mA
45 V
4.4
4.5
4.4
V
VOH
IOH = –8 mA
4.5 V
3.94
3.8
V
VOL
IOL = 50 mA
45 V
0.1
V
VOL
IOL = 8 mA
4.5 V
0.36
0.44
V
II
OE or DIR
VI = VCC or GND
0 V to 5.5 V
±0.1
±1*
±1
mA
IOZ A or B inputs VO = VCC or GND
5.5 V
±0.25
±2.5
mA
ICC
VI = VCC or GND, IO = 0
5.5 V
4
40
mA
ICC
One input at 3.4 V,
Other inputs at
VCC or GND
5.5 V
1.35
1.5
mA
Ci
OE or DIR
VI = VCC or GND
5 V
2.5
10
pF
Cio
A or B inputs
VI = VCC or GND
5 V
4
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.
For I/O ports, the parameter IOZ includes the input leakage current.
This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0 V or VCC.
switching
characteristics
over
recommended
operating
free-air
temperature
range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHCT16245
SN74AHCT16245
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tPLH
AorB
BorA
CL =15 pF
4.5**
8.5**
1**
10**
1
9.5
ns
tPHL
A or B
B or A
CL = 15 pF
4.5**
8.5**
1**
10**
1
9.5
ns
tPZH
OE
AorB
CL =15 pF
8.9**
13**
1**
14**
1
14
ns
tPZL
OE
A or B
CL = 15 pF
8.9**
13**
1**
14**
1
14
ns
tPHZ
OE
AorB
CL =15 pF
9.2**
14**
1**
15**
1
15
ns
tPLZ
OE
A or B
CL = 15 pF
9.2**
14**
1**
15**
1
15
ns
tPLH
AorB
BorA
CL =50 pF
7
9.5
1
11
1
10.5
ns
tPHL
A or B
B or A
CL = 50 pF
5.3
9.5
1
11
1
10.5
ns
tPZH
OE
AorB
CL =50 pF
8.3
14
1
15
1
15
ns
tPZL
OE
A or B
CL = 50 pF
8.3
14
1
15
1
15
ns
tPHZ
OE
AorB
CL =50 pF
8
14
1
15
1
15
ns
tPLZ
OE
A or B
CL = 50 pF
8
14
1
15
1
15
ns
tsk(o)
CL = 50 pF
1***
1
ns
** On products compliant to MIL-PRF-38535, this parameter is not production tested.
*** On products compliant to MIL-PRF-38535, this parameter does not apply.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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