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MC74VHC595 Datasheet, PDF (7/12 Pages) Motorola, Inc – 8-Bit Shift Register with Output Storage Register
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MC74VHC595
AC ELECTRICAL CHARACTERISTICS (Input tr = tf = 3.0ns)
Symbol
fmax
tPLH,
tPHL
tPHL
tPLH,
tPHL
tPZL,
tPZH
tPLZ,
tPHZ
CIN
COUT
Parameter
Maximum Clock
Frequency (50%
Duty Cycle)
Propagation Delay,
SCK to SQH
Propagation Delay,
CPLR to SQH
Propagation Delay,
RCK to QA--QH
Output Enable Time,
OE to QA--QH
Output Disable Time,
OE to QA--QH
Input Capacitance
Three--State Output
Capacitance (Output
in High--Impedance
State), QA--QH
Test Conditions
VCC = 3.3 ± 0.3 V
VCC = 5.0 ± 0.5 V
VCC = 3.3 ± 0.3 V
VCC = 5.0 ± 0.5 V
VCC = 3.3 ± 0.3 V
VCC = 5.0 ± 0.5 V
VCC = 3.3 ± 0.3 V
VCC = 5.0 ± 0.5 V
VCC = 3.3 ± 0.3 V
RL = 1 kΩ
VCC = 5.0 ± 0.5 V
RL = 1 kΩ
VCC = 3.3 ± 0.3 V
RL = 1 kΩ
VCC = 5.0 ± 0.5 V
RL = 1 kΩ
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 15pF
CL = 50pF
CL = 50pF
CL = 50pF
TA = 25°C
Min Typ Max
80
150
135 185
8.8 13.0
11.3 16.5
6.2
8.2
7.7 10.2
8.4 12.8
10.9 16.3
5.9
8.0
7.4 10.0
7.7 11.9
10.2 15.4
5.4
7..4
6.9
9.4
7.5 11.5
9.0 15.0
4.8
8.6
8.3 10.6
12.1 15.7
7.6 10.3
4
10
6
TA = ≤ 85°C
Min Max
70
115
1.0 15.0
1.0 18.5
1.0
9.4
1.0 11.4
1.0 13.7
1.0 17.2
1.0
9.1
1.0 11.1
1.0 13.5
1.0 17.0
1.0
8.5
1.0 10.5
1.0 13.5
1.0 17.0
1.0 10.0
1.0 12.0
1.0 16.2
1.0 11.0
10
10
TA = ≤ 125°C
Min Max
70
115
1.0 15.0
1.0 18.5
1.0
9.4
1.0
11.4
1.0 13.7
1.0 17.2
1.0
9.1
1.0
11.1
1.0 13.5
1.0 17.0
1.0
8.5
1.0 10.5
1.0 13.5
1.0 17.0
1.0 10.0
1.0 12.0
1.0 16.2
Unit
MHz
ns
ns
ns
ns
ns
1.0
11.0
10
pF
10
pF
Typical @ 25°C, VCC = 5.0V
CPD
Power Dissipation Capacitance (Note 1)
87
pF
1. CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating current consumption without load.
Average operating current can be obtained by the equation: ICC(OPR) = CPD ¯ VCC ¯ fin + ICC. CPD is used to determine the no--load dynamic
power consumption; PD = CPD ¯ VCC2 ¯ fin + ICC ¯ VCC.
NOISE CHARACTERISTICS (Input tr = tf = 3.0ns, CL = 50pF, VCC = 5.0V)
Symbol
VOLP
VOLV
VIHD
VILD
Characteristic
Quiet Output Maximum Dynamic VOL
Quiet Output Minimum Dynamic VOL
Minimum High Level Dynamic Input Voltage
Maximum Low Level Dynamic Input Voltage
TA = 25°C
Typ
Max
Unit
0.8
1.0
V
-- 0.8
-- 1.0
V
3.5
V
1.5
V
TIMING REQUIREMENTS (Input tr = tf = 3.0ns)
Symbol
Parameter
tsu
Setup Time, SI to SCK
tsu(H) Setup Time, SCK to RCK
TA = -- 40 to TA = -- 55 to
VCC
TA = 25_C
85°C
125°C
V
Typ
Limit
Limit
Limit
Unit
3.3
3.5
3.5
3.5
ns
5.0
3.0
3.0
3.0
3.3
8.0
8.5
8.5
ns
5.0
5.0
5.0
5.0
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