參數(shù)資料
型號： SN74LV20APWTE4
廠商： TEXAS INSTRUMENTS INC
元件分類： 門電路
英文描述： LV/LV-A/LVX/H SERIES, DUAL 4-INPUT NAND GATE, PDSO14
封裝： GREEN, PLASTIC, TSSOP-14
文件頁數(shù)： 12/17頁
文件大小： 580K
代理商： SN74LV20APWTE4
SN54LV20A, SN74LV20A
DUAL 4INPUT POSITIVENAND GATE
SCES339E SEPTEMBER 2000 REVISED APRIL 2005
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range,
VCC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
LOAD
TA = 25°C
SN54LV20A
SN74LV20A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tpd
A, B, C, or D
Y
CL = 15 pF
6.8*
11.6*
1*
13.5*
1
13.5
ns
tpd
A, B, C, or D
Y
CL = 50 pF
9.2
15.3
1
18.5
1
18.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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
SN54LV20A
SN74LV20A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tpd
A, B, C, or D
Y
CL = 15 pF
4.9*
6.6*
1*
8*
1
8
ns
tpd
A, B, C, or D
Y
CL = 50 pF
6.5
10.1
1
11.5
1
11.5
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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
SN54LV20A
SN74LV20A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
tpd
A, B, C, or D
Y
CL = 15 pF
3.7*
5*
1*
6*
1
6
ns
tpd
A, B, C, or D
Y
CL = 50 pF
4.8
7
1
8
1
8
ns
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
noise characteristics, VCC = 3.3 V, CL = 50 pF, TA = 25°C (see Note 5)
PARAMETER
SN74LV20A
UNIT
PARAMETER
MIN
TYP
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
0.2
0.8
V
VOL(V)
Quiet output, minimum dynamic VOL
0
0.8
V
VOH(V)
Quiet output, minimum dynamic VOH
3.2
V
VIH(D)
High-level dynamic input voltage
2.31
V
VIL(D)
Low-level dynamic input voltage
0.99
V
NOTE 5: Characteristics are for surface-mount packages only.
operating characteristics, TA = 25°C
PARAMETER
TEST CONDITIONS
VCC
TYP
UNIT
Cpd
Power dissipation capacitance
CL = 50 pF,
f = 10 MHz
3.3 V
20.5
pF
Cpd
Power dissipation capacitance
CL = 50 pF,
f = 10 MHz
5 V
23.9
pF
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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