參數(shù)資料
型號(hào): SN74AHCT125QDRQ1
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: AHCT/VHCT/VT SERIES, QUAD 4-BIT DRIVER, TRUE OUTPUT, PDSO14
封裝: ROHS COMPLIANT, PLASTIC, MS-012AB, SOIC-14
文件頁數(shù): 6/11頁
文件大?。?/td> 286K
代理商: SN74AHCT125QDRQ1
SN74AHCT125-Q1
QUADRUPLE BUS BUFFER GATE
WITH 3-STATE OUTPUTS
SCLS508A JUNE 2003 REVISED FEBRUARY 2008
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
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
MIN
MAX
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
MIN
TYP
MAX
MIN
MAX
UNIT
tPLH
A
Y
C
15 pF
3.8
5.5
1
6.5
ns
tPHL
A
Y
CL = 15 pF
3.8
5.5
1
6.5
ns
tPZH
OE
Y
C
15 pF
3.6
5.1
1
6
ns
tPZL
OE
Y
CL = 15 pF
3.6
5.1
1
6
ns
tPHZ
OE
Y
C =15pF
4.6
6.8
1
8
ns
tPLZ
OE
Y
CL = 15 pF
4.6
6.8
1
8
ns
tPLH
A
Y
C
50 pF
5.3
7.5
1
8.5
ns
tPHL
A
Y
CL = 50 pF
5.3
7.5
1
8.5
ns
tPZH
OE
Y
C
50 pF
5.1
7.1
1
8
ns
tPZL
OE
Y
CL = 50 pF
5.1
7.1
1
8
ns
tPHZ
OE
Y
C =50pF
6.1
8.8
1
10
ns
tPLZ
OE
Y
CL = 50 pF
6.1
8.8
1
10
ns
tsk(o)
CL = 50 pF
1
ns
noise characteristics, VCC = 5 V, CL = 50 pF, TA = 25°C (see Note 4)
PARAMETER
MIN
MAX
UNIT
VOL(P)
Quiet output, maximum dynamic VOL
0.8
V
VOL(V)
Quiet output, minimum dynamic VOL
0.8
V
VOH(V)
Quiet output, minimum dynamic VOH
4.4
V
VIH(D)
High-level dynamic input voltage
2
V
VIL(D)
Low-level dynamic input voltage
0.8
V
NOTE 4: Characteristics are for surface-mount packages only.
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
No load,
f = 1 MHz
14
pF
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