參數(shù)資料
型號(hào): SN74AHC27
廠商: Texas Instruments, Inc.
英文描述: Triple 3-Input Positive-NOR Gates(三3輸入正或非門)
中文描述: 三3輸入正和或非門(三3輸入正或非門)
文件頁(yè)數(shù): 4/6頁(yè)
文件大?。?/td> 132K
代理商: SN74AHC27
SN54AHC27, SN74AHC27
TRIPLE 3-INPUT POSITIVE-NOR GATES
SCLS363 – MAY 1997
4
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
SN54AHC27
UNIT
(OUTPUT)
CAPACITANCE
TA = 25
°
C
TYP
MIN
MAX
MIN
MAX
5.9
tPLH*
tPHL*
tPLH
tPHL
A B or C
A, B, or C
Y
CL= 15 pF
CL = 15 pF
4.1
1
7
ns
4.1
5.9
1
7
A B or C
A, B, or C
Y
CL= 50 pF
CL = 50 pF
5.6
5.6
7.9
7.9
1
1
9
9
ns
* On products compliant to MIL-PRF-38535, this parameter is ensured but not production tested.
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
SN74AHC27
UNIT
(OUTPUT)
CAPACITANCE
TA = 25
°
C
TYP
MIN
MAX
MIN
MAX
5.9
tPLH
tPHL
tPLH
tPHL
A B or C
A, B, or C
Y
CL= 15 pF
CL = 15 pF
4.1
1
7
ns
4.1
5.9
1
7
A B or C
A, B, or C
Y
CL= 50 pF
CL = 50 pF
5.6
5.6
7.9
7.9
1
1
9
9
ns
noise characteristics, V
CC
= 5 V, C
L
= 50 pF, T
A
= 25
°
C (see Note 4)
PARAMETER
SN74AHC27
MIN
UNIT
TYP
MAX
VOL(P)
VOL(V)
VOH(V)
VIH(D)
VIL(D)
NOTE 4: 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
0.8
V
–0.8
V
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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