參數(shù)資料
型號： SN54AHCT16245WD
廠商： Texas Instruments, Inc.
英文描述： 16-BIT BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
中文描述： 16位總線收發(fā)3態(tài)輸出
文件頁數(shù)： 4/6頁
文件大小： 101K
代理商： SN54AHCT16245WD
SN54AHCT16245, SN74AHCT16245
16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS335I – MARCH 1996 – REVISED JANUARY 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
MIN
4.4
SN54AHCT16245
MIN
4.4
SN74AHCT16245
MIN
4.4
UNIT
TYP
4.5
MAX
MAX
MAX
VOH
IOH = –50 A
IOH = –8 mA
IOL = 50 A
IOL = 8 mA
VI = VCC or GND
VO = VCC or GND
VI = VCC or GND,
One input at 3.4 V,
Other inputs at VCC or GND
VI = VCC or GND
VI = VCC or GND
4 5 V
4.5 V
V
3.94
3.8
3.8
VOL
4 5 V
4.5 V
0.1
0.1
0.1
V
0.36
±
0.1
±
0.25
0.44
±
1*
±
2.5
40
0.44
±
1
±
2.5
40
II
IOZ
ICC
OE or DIR
0 V to 5.5 V
A
A or B inputs
5.5 V
A
IO = 0
5.5 V
4
A
ICC
5.5 V
1.35
1.5
1.5
mA
Ci
Cio
OE or DIR
5 V
2.5
10
10
pF
A or B inputs
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,
V
CC
= 5 V
±
0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
LOAD
TA = 25
°
C
TYP
4.5**
SN54AHCT16245
MIN
1**
SN74AHCT16245
MIN
1
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
8.5**
MAX
10**
MAX
9.5
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tsk(o)
A or B
B or A
CL= 15 pF
CL = 15 pF
ns
4.5**
8.5**
1**
10**
1
9.5
OE
A or B
CL= 15 pF
CL = 15 pF
8.9**
13**
1**
14**
1
14
ns
8.9**
13**
1**
14**
1
14
OE
A or B
CL= 15 pF
CL = 15 pF
9.2**
14**
1**
15**
1
15
ns
9.2**
14**
1**
15**
1
15
A or B
B or A
CL= 50 pF
CL = 50 pF
7
9.5
1
11
1
10.5
ns
5.3
9.5
1
11
1
10.5
OE
A or B
CL= 50 pF
CL = 50 pF
8.3
14
1
15
1
15
ns
8.3
14
1
15
1
15
OE
A or B
CL= 50 pF
8
14
1
15
1
15
ns
8
14
1
15
1
15
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.
noise characteristics, V
CC
= 5 V, C
L
= 50 pF, T
A
= 25
°
C (see Note 4)
PARAMETER
SN74AHCT16245
UNIT
MIN
TYP
MAX
VOL(P)
VOL(V)
VOH(V)
VIH(D)
VIL(D)
NOTE 4: Characteristics are for surface-mount packages only.
Quiet output, maximum dynamic VOL
Quiet output, minimum dynamic VOL
Quiet output, minimum dynamic VOH
High-level dynamic input voltage
0.6
V
–0.6
V
4.8
V
2
V
Low-level dynamic input voltage
0.8
V
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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