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SN54AC374 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. SN54AC374
Description  OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54AC374 Datasheet(HTML) 4 Page - Texas Instruments

   
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SN54AC374, SN74AC374
OCTAL DTYPE EDGETRIGGERED FLIPFLOPS
WITH 3STATE OUTPUTS
SCAS543E − OCTOBER 1995 - REVISED OCTOBER 2003
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
TA = 25°C
SN54AC374
SN74AC374
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
60
60
60
MHz
tw
Pulse duration, CLK high or low
5.5
6.5
6
ns
tsu
Setup time, data before CLK
5.5
6.5
6
ns
th
Hold time, data after CLK
1
1
1
ns
timing requirements over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
TA = 25°C
SN54AC374
SN74AC374
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
UNIT
fclock
Clock frequency
100
95
100
MHz
tw
Pulse duration, CLK high or low
4
5
4.5
ns
tsu
Setup time, data before CLK
4
5
4.5
ns
th
Hold time, data after CLK
1.5
1.5
1.5
ns
switching characteristics over recommended operating free-air temperature range,
VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Figure 1)
PARAMETER
TO
TO
TA = 25°C
SN54AC374
SN74AC374
UNIT
PARAMETER
TO
(INPUT)
TO
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
fmax
60
110
60
60
MHz
tPLH
CLK
Q
3
11
13.5
3
16.5
1.5
15.5
ns
tPHL
CLK
Q
2.5
10
12.5
3
15
2
14
ns
tPZH
OE
Q
3
9.5
11.5
1
14
1.5
13
ns
tPZL
OE
Q
3.5
9
11.5
1
14
1.5
13
ns
tPHZ
OE
Q
3
10.5
12.5
1
16
2
14.5
ns
tPLZ
OE
Q
2
8
11.5
1
13
1
12.5
ns
switching characteristics over recommended operating free-air temperature range,
VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 1)
PARAMETER
TO
TO
TA = 25°C
SN54AC374
SN74AC374
UNIT
PARAMETER
TO
(INPUT)
TO
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
fmax
100
155
95
100
MHz
tPLH
CLK
Q
2.5
8
9.5
3
12
1.5
10.5
ns
tPHL
CLK
Q
2
7
9
3
11
1.5
10
ns
tPZH
OE
Q
2
7
8.5
1.5
10
1
9.5
ns
tPZL
OE
Q
2
6.5
8.5
1.5
10.5
1
9.5
ns
tPHZ
OE
Q
2
8
11
1.5
12.5
2
12.5
ns
tPLZ
OE
Q
1.5
6.5
8.5
1.5
10.5
1
10
ns
operating characteristics, VCC = 5 V, TA = 25°C
PARAMETER
TEST CONDITIONS
TYP
UNIT
Cpd
Power dissipation capacitance
CL = 50 pF,
f = 1 MHz
40
pF


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