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参数资料
| 型号： | SNJ54AHC273FK |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 锁存器 |
| 英文描述： | AHC/VHC/H/U/V SERIES, POSITIVE EDGE TRIGGERED D FLIP-FLOP, TRUE OUTPUT, CQCC20 |
| 封装： | CERAMIC, LCC-20 |
| 文件页数： | 17/21页 |
| 文件大小： | 797K |
| 代理商： | SNJ54AHC273FK |
SN54AHC273, SN74AHC273
OCTAL D-TYPE FLIP-FLOPS
WITH CLEAR
SCLS376G – JUNE 1997 – REVISED JULY 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54AHC273
SN74AHC273
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
f
CL = 15 pF
75*
120*
65*
65
MHz
fmax
CL = 50 pF
50
75
45
MHz
tPHL
CLR
Q
CL = 15 pF
8.9*
13.6*
1*
16*
1
16
ns
tPLH
CLK
Q
CL =15 pF
8.7*
13.6*
1*
16*
1
16
ns
tPHL
CLK
Q
CL = 15 pF
8.7*
13.6*
1*
16*
1
16
ns
tPHL
CLR
Q
CL = 50 pF
11.4
17.1
1
19.5
1
19.5
ns
tPLH
CLK
Q
CL =50 pF
11.2
17.1
1
19.5
1
19.5
ns
tPHL
CLK
Q
CL = 50 pF
11.2
17.1
1
19.5
1
19.5
ns
tsk(o)
CL = 50 pF
1.5**
1.5
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.
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
SN54AHC273
SN74AHC273
UNIT
PARAMETER
(INPUT)
(OUTPUT)
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
f
CL = 15 pF
120*
165*
100*
100
MHz
fmax
CL = 50 pF
80
110
70
MHz
tPHL
CLR
Q
CL = 15 pF
5.2*
8.5*
1*
10*
1
10
ns
tPLH
CLK
Q
CL =15 pF
5.8*
9*
1*
10.5*
1
10.5
ns
tPHL
CLK
Q
CL = 15 pF
5.8*
9*
1*
10.5*
1
10.5
ns
tPHL
CLR
Q
CL = 50 pF
6.7
10.5
1
12
1
12
ns
tPLH
CLK
Q
CL =50 pF
7.3
11
1
12.5
1
12.5
ns
tPHL
CLK
Q
CL = 50 pF
7.3
11
1
12.5
1
12.5
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.
noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 4)
PARAMETER
SN74AHC273
UNIT
PARAMETER
MIN
TYP
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
0.7
V
VOL(V)
Quiet output, minimum dynamic VOL
–0.7
V
VOH(V)
Quiet output, minimum dynamic VOH
4.7
V
VIH(D)
High-level dynamic input voltage
3.5
V
VIL(D)
Low-level dynamic input voltage
1.5
V
NOTE 4: Characteristics are for surface-mount packages only.
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load,
f = 1 MHz
31
pF
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| SNJ54AHC273J | 制造商:Texas Instruments 功能描述:5962-9853001QRA, OCTAL D-TYPE FF W/CLR - Rail/Tube 制造商:Texas Instruments 功能描述:Flip Flop D-Type Bus Interface Pos-Edge 1-Element 20-Pin CDIP Tube |
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