參數(shù)資料
型號: SN74AHC16245
廠商: Texas Instruments, Inc.
英文描述: 16-Bit Bus Transceivers With 3-State Outputs(16位緩沖器/驅(qū)動器(三態(tài)輸出))
中文描述: 16日與3位總線收發(fā)器態(tài)輸出(16位緩沖器/驅(qū)動器(三態(tài)輸出))
文件頁數(shù): 5/7頁
文件大?。?/td> 165K
代理商: SN74AHC16245
SN54AHC16245, SN74AHC16245
16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCLS328B – MARCH 1996 – REVISED JUNE 1997
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
SN54AHC16245
MIN
1
SN74AHC16245
MIN
1
UNIT
(OUTPUT)
CAPACITANCE
MIN
MAX
5.5
MAX
6.5
MAX
6.5
tPLH*
tPHL*
tPZH*
tPZL*
tPHZ*
tPLZ*
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
A or B
B or A
CL= 15 pF
CL = 15 pF
4
ns
4
5.5
1
6.5
1
6.5
OE
A or B
CL= 15 pF
CL = 15 pF
5.8
8.5
1
10
1
10
ns
5.8
8.5
1
10
1
10
OE
A or B
CL= 15 pF
CL = 15 pF
5.6
5.6
7.8
7.8
1
1
9.2
9.2
1
1
9.2
9.2
ns
A or B
B or A
CL= 50 pF
CL = 50 pF
5.5
7.5
1
8.5
1
8.5
ns
5.5
7.5
1
8.5
1
8.5
OE
A or B
CL= 50 pF
CL = 50 pF
7.3
10.6
1
12
1
12
ns
7.3
10.6
1
12
1
12
OE
A or B
CL= 50 pF
CL = 50 pF
7
7
9.7
9.7
1
1
11
11
1
1
11
11
ns
* On products compliant to MIL-PRF-38535, this parameter is ensured but not production tested.
output-skew characteristics, C
L
= 50 pF (see Note 4)
PARAMETER
VCC
SN74AHC16245
TA = 25
°
C
MIN
MAX
1.5
UNIT
MIN
MAX
tsk(o)
Output skew
3.3 V
±
0.3 V
5 V
±
0.5 V
1.5
ns
1
1
NOTE 4: Characteristics are determined during product characterization and ensured by design.
noise characteristics, V
CC
= 5 V, C
L
= 50 pF, T
A
= 25
°
C (see Note 5)
PARAMETER
SN74AHC16245
MIN
TYP
UNIT
MAX
VOL(P)
VOL(V)
VOH(V)
VIH(D)
VIL(D)
NOTE 5: Characteristics are determined during product characterization and ensured by design 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
0.9
V
–0.9
V
4.3
V
3.5
V
Low-level dynamic input voltage
1.5
V
operating characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load,
f = 1 MHz
14
pF
P
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