SN54LV374A Datasheet, PDF (5/18 Pages) Texas Instruments – OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS

SN54LV374A, SN74LV374A
OCTAL EDGEĆTRIGGERED DĆTYPE FLIPĆFLOPS
WITH 3ĆSTATE OUTPUTS
SCLS408H − APRIL 1998 − REVISED APRIL 2005
timing requirements over recommended operating free-air temperature range, V_CC = 2.5 V ± 0.2 V
(unless otherwise noted) (see Figure 1)
tw Pulse duration, CLK high or low
tsu Setup time, data before CLK↑
th
Hold time, data after CLK↑
TA = 25°C
MIN MAX
6
5
2.5
SN54LV374A
MIN MAX
7
5.5
2.5
SN74LV374A
MIN MAX
7
5.5
2.5
UNIT
ns
ns
ns
timing requirements over recommended operating free-air temperature range, V_CC = 3.3 V ± 0.3 V
(unless otherwise noted) (see Figure 1)
tw Pulse duration, CLK high or low
tsu Setup time, data before CLK↑
th
Hold time, data after CLK↑
TA = 25°C
MIN MAX
5
4.5
2
SN54LV374A
MIN MAX
5.5
4.5
2
SN74LV374A
MIN MAX
5.5
4.5
2
UNIT
ns
ns
ns
timing requirements over recommended operating free-air temperature range, V_CC = 5 V ± 0.5 V
(unless otherwise noted) (see Figure 1)
tw Pulse duration, CLK high or low
tsu Setup time, data before CLK↑
th
Hold time, data after CLK↑
TA = 25°C
MIN MAX
5
3
2
SN54LV374A
MIN MAX
5
3
2
SN74LV374A
MIN MAX
5
3
2
UNIT
ns
ns
ns
switching characteristics over recommended operating free-air temperature range,
V_CC = 2.5 V ± 0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
LOAD
CAPACITANCE
TA = 25°C
SN54LV374A SN74LV374A
UNIT
MIN TYP MAX MIN MAX MIN MAX
fmax
CL = 15 pF
60* 105*
50*
CL = 50 pF
50
85
40
50
MHz
40
tpd
CLK
Q
9.7* 16.3*
1* 19*
1
19
ten
OE
Q
CL = 15 pF
8.9* 15.9*
1* 19*
1
19 ns
tdis
OE
Q
6.3* 12.6*
1* 15*
1
15
tpd
CLK
Q
11.8 19.3
1
23
1
23
ten
OE
tdis
OE
tsk(o)
Q
Q
CL = 50 pF
10.9 18.8
8.2 17.3
2
1
22
1
19
1
22
ns
1
19
2
* On products compliant to MIL-PRF-38535, this parameter is not production tested.
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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