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SN54ABT377 Datasheet(PDF) 4 Page - Texas Instruments

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Part No. SN54ABT377
Description  OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH CLOCK ENABLE
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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SN54ABT377, SN74ABT377
OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
WITH CLOCK ENABLE
SCBS156B – FEBRUARY 1991 – REVISED JULY 1994
2–4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25°C
SN54ABT377
SN74ABT377
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
MAX
MIN
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
–1.2
–1.2
V
VCC = 4.5 V,
IOH = – 3 mA
2.5
2.5
2.5
VOH
VCC = 5 V,
IOH = – 3 mA
3
3
3
V
VOH
VCC =4 5V
IOH = – 24 mA
2
2
V
VCC = 4.5 V
IOH = – 32 mA
2*
2
VOL
VCC =4 5V
IOL = 48 mA
0.55
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55*
0.55
V
II
VCC = 5.5 V,
VI = VCC or GND
±1
±1
±1
µA
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
±100
µA
ICEX
VCC = 5.5 V,
VO = 5.5 V
Outputs high
50
50
50
µA
IO‡
VCC = 5.5 V,
VO = 2.5 V
–50
–100
–180
–50
–180
–50
–180
mA
ICC
VCC = 5.5 V,
IO = 0,
Outputs high
1
250
250
250
µA
ICC
CC
,
O
,
VI = VCC or GND
Outputs low
24
30
30
30
mA
∆ICC§
VCC = 5.5 V,
One input at 3.4 V,
Other inputs at VCC or GND
1.5
1.5
1.5
mA
Ci
VI = 2.5 V or 0.5 V
3
pF
* On products compliant to MIL-STD-883, Class B, this parameter does not apply.
† All typical values are at VCC = 5 V.
‡ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
§ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
VCC = 5 V,
TA = 25°C
SN54ABT377
SN74ABT377
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
fclock
Clock frequency
0
150
0
150
0
150
MHz
tw
Pulse duration
CLK high or low
3.3
3.3
3.3
ns
t
Setup time before CLK
Data high or low
2
2.5
2
ns
tsu
Setup time before CLK
CLKEN high or low
3
3
3
ns
th
Hold time after CLK
Data high or low
1.8¶
1.8¶
1.8¶
ns
th
Hold time after CLK
CLKEN high or low
1.8¶
1.8¶
1.8¶
ns
¶ This data sheet limit may vary among suppliers.
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 5 V,
TA = 25°C
SN54ABT377
SN74ABT377
UNIT
(INPUT)
(OUTPUT)
MIN
TYP
MAX
MIN
MAX
MIN
MAX
fmax
150
150
150
MHz
tPLH
CLK
Q
2.2
4.5
6
2.2
7
2.2
6.5
ns
tPHL
CLK
Q
3.1
5.3
6.8
2
7.6
3.1
7.3
ns




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