SN74AS4374B Datasheet, PDF (3/5 Pages) Texas Instruments – OCTAL EDGE-TRIGGERED D-TYPE DUAL-RANK FLIP-FLOP WITH 3-STATE OUTPUTS

SN74AS4374B
OCTAL EDGE-TRIGGERED D-TYPE DUAL-RANK FLIP-FLOP
WITH 3-STATE OUTPUTS
SDAS109D – APRIL 1989 – REVISED JANUARY 1995
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP† MAX UNIT
VIK
VCC = 4.5 V,
II = – 18 mA
– 1.5 V
VOH
VCC = 4.5 V
IOH = – 3 mA
IOH = – 15 mA
2.4 3.2
V
2
VOL
VCC = 4.5 V
IOL = 32 mA
IOL = 48 mA
0.25 0.4
V
0.35 0.5
IOZH
VCC = 5.5 V,
VO = 2.7 V
20 µA
IOZL
VCC = 5.5 V,
VO = 0.4 V
– 20 µA
II
VCC = 5.5 V,
VI = 7 V
0.1 mA
IIH
VCC = 5.5 V,
VI = 2.7 V
20 µA
IIL
VCC = 5.5 V,
VI = 0.5 V
– 0.2 mA
IO‡
VCC = 5.5 V,
VO = 2.25 V
– 30
– 112 mA
ICC
VCC = 5.5 V,
OE high
100 150 mA
† _{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, CLK high or low
Setup time, data before CLK↑
Hold time, data after CLK↑
MIN MAX UNIT
0 125 MHz
4
ns
4
ns
1
ns
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 4.5 V to 5.5 V,
CL = 50 pF,
R1 = 500 Ω,
R2 = 500 Ω,
TA = MIN to MAX§
MIN MAX
fmax
125
tPLH
CLK
tPHL
2
8
Q
2
8
tPZH
OE
tPZL
1.5
6
Q
2.5
8
tPHZ
OE
tPLZ
2
6.5
Q
2.5
7
§ _{For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.}
UNIT
MHz
ns
ns
ns
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