SN54ALS374A Datasheet, PDF (3/9 Pages) Texas Instruments – OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS WITH 3-STATE OUTPUTS

SN54ALS374A, SN54AS374, SN74ALS374A, SN74AS374
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS167C – APRIL 1982 – REVISED NOVEMBER 1999
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54ALS374A
MIN TYP† MAX
SN74ALS374A
MIN TYP† MAX ^UNIT
VIK
VOH
VOL
IOZH
IOZL
II
IIH
IIL
IO‡
VCC = 4.5 V,
VCC = 4.5 V to 5.5 V,
VCC = 4.5 V
VCC = 4.5 V
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
II = –18 mA
IOH = –0.4 mA
IOH = –1 mA
IOH = –2.6 mA
IOL = 12 mA
IOL = 24 mA
VO = 2.7 V
VO = 0.4 V
VI = 7 V
VI = 2.7 V
VI = 0.4 V
VO = 2.25 V
Outputs high
–1.5
–1.5 V
VCC–2
VCC–2
2.4
3.3
V
2.4
3.2
0.25 0.4
0.25 0.4
V
0.35 0.5
20
20 µA
–20
–20 µA
0.1
0.1 mA
20
20 µA
–0.2
–0.2 mA
–20
–112 –30
–112 mA
11
20
11
19
ICC
VCC = 5.5 V
Outputs low
19
28
19
28 mA
Outputs disabled
20
31
20
31
† _{All typical values are at VCC = 5 V, TA = 25°C.}
‡ _{The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS.}
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
fclock
tw
tsu
th
Clock frequency
Pulse duration
Setup time
Hold time
CLK high or low
Data before CLK↑
Data after CLK↑
SN54ALS374A
MIN MAX
30
16.5
10
4
SN74ALS374A
MIN MAX
35
14
10
0
UNIT
MHz
ns
ns
ns
switching characteristics over recommended operating conditions (unless otherwise noted
(see Figure 3)
PARAMETER
fmax
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
FROM
(INPUT)
CLK
OE
OE
TO
(OUTPUT)
Q
Q
Q
SN54ALS374A
MIN MAX
30
3
14
5
17
3
18
5
21
1
11
2
19
SN74ALS374A
MIN MAX
35
3
12
5
16
3
17
5
18
1
10
2
18
UNIT
MHz
ns
ns
ns
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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