74LVC374A Просмотр технического описания (PDF) - Philips Electronics
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74LVC374A
Philips Electronics
74LVC374A Datasheet PDF : 12 Pages
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Philips Semiconductors
Octal D-type flip-flop with 5-volt tolerant
inputs/outputs; positive edge-trigger (3-State)
Product specification
74LVC374A
DC ELECTRICAL CHARACTERISTICS
Over recommended operating conditions voltages are referenced to GND (ground = 0V)
LIMITS
SYMBOL
PARAMETER
TEST CONDITIONS
Temp = -40°C to +85°C
MIN
TYP1 MAX
VCC = 1.2V
VCC
VIH
HIGH level Input voltage
VCC = 2.7 to 3.6V
2.0
VIL
LOW level Input voltage
VCC = 1.2V
VCC = 2.7 to 3.6V
VCC = 2.7V; VI = VIH or VIL; IO = –12mA
VCC*0.5
VOH HIGH level output voltage
VCC = 3.0V; VI = VIH or VIL; IO = –100µA
VCC = 3.0V; VI = VIH or VIL; IO = –18mA
VCC*0.2
VCC*0.6
VCC = 3.0V; VI = VIH or VIL; IO = –24mA
VCC*0.8
VCC = 2.7V; VI = VIH or VIL; IO = 12mA
VOL LOW level output voltage
VCC = 3.0V; VI = VIH or VIL; IO = 100µA
VCC = 3.0V; VI = VIH or VIL; IO = 24mA
II
Input leakage current2
VCC = 3.6V; VI = 5.5V or GND
IOZ
3-State output OFF-state current
VCC = 3.6V; VI = VIH or VIL; VO = 5.5V or GND
Ioff
Power off leakage supply
VCC = 0.0V; VI or VO = 5.5V
ICC
Quiescent supply current
VCC = 3.6V; VI = VCC or GND; IO = 0
∆ICC
Additional quiescent supply current
per input pin
VCC = 2.7V to 3.6V; VI = VCC –0.6V; IO = 0
NOTES:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
2. The specified overdrive current at the data input forces the data input to the opposite logic input state.
VCC
GND
"0.1
0.1
0.1
0.1
5
GND
0.8
0.40
0.20
0.55
"5
"10
"10
10
500
UNIT
V
V
V
V
µA
µA
µA
µA
µA
AC CHARACTERISTICS
GND = 0V; tr = tf v 2.5ns; CL = 50pF; RL = 500Ω; Tamb = –40°C to +85°C.
SYMBOL
PARAMETER
WAVEFORM
VCC = 3.3V ±0.3V
MIN TYP1 MAX
tPHL
Propagation delay
tPLH
CP to Qn
tPZH
3-State output enable time
tPZL
OE to Qn
tPHZ
3-State output disable time
tPLZ
OE to Qn
1, 4
1.5
4.8
7.0
2, 4
1.5
4.8
7.5
2, 4
1.5
4.3
6.0
tW
Clock pulse width HIGH or LOW
1
3.0
1.5
–
tSU
Setup time
Dn to CP
3
2.0
0
–
th
Hold time
Dn to CP
3
1.5
0.6
–
fmax
maximum clock pulse frequency
1
100
–
–
NOTE:
1. Unless otherwise stated, all typical values are at VCC = 3.3V and Tamb = 25°C.
LIMITS
VCC = 2.7V
MIN
MAX
1.5
8.0
1.5
8.5
1.5
7.0
3.0
–
2.0
–
1.5
–
80
–
VCC = 1.2V
TYP
21
22
15
–
–
–
–
UNIT
ns
ns
ns
ns
ns
ns
MHz
1998 Jul 29
6
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