Philips Semiconductors
Product specification
Octal D-type flip-flop with 5-volt tolerant
inputs/outputs; positive edge-trigger (3-State)
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
V
IH
HIGH level Input voltage
V
CC
= 1.2V
V
CC
= 2.7 to 3.6V
LOW level Input voltage
V
CC
= 1.2V
V
CC
= 2.7 to 3.6V
V
CC
= 2.7V; V
I
= V
IH
or V
IL
; I
O
= –12mA
V
O
OH
HIGH level output voltage
V
CC
= 3.0V; V
I
= V
IH
or V
IL
; I
O
= –100µA
V
CC
= 3.0V; V
I
= V
IH
or V
IL;
I
O
= –18mA
V
CC
= 3.0V; V
I
= V
IH
or V
IL;
I
O
= –24mA
V
CC
= 2.7V; V
I
= V
IH
or V
IL
; I
O
= 12mA
V
OL
LOW level output voltage
V
CC
= 3.0V; V
I
= V
IH
or V
IL
; I
O
= 100µA
V
CC
= 3.0V; V
I
= V
IH
or V
IL;
I
O
= 24mA
I
I
I
OZ
I
off
I
CC
∆I
CC
Input leakage current
2
3-State output OFF-state current
Power off leakage supply
Quiescent supply current
Additional quiescent supply current
per input pin
V
CC
= 3 6V; V
I
= 5 5V or GND
3.6V;
5.5V
V
CC
= 3.6V; V
I
= V
IH
or V
IL
; V
O
= 5.5V or GND
V
CC
= 0.0V; V
I
or V
O
= 5.5V
V
CC
= 3.6V; V
I
= V
CC
or GND; I
O
= 0
V
CC
= 2.7V to 3.6V; V
I
= V
CC
–0.6V; I
O
= 0
"0.1
"0
1
0.1
0.1
0.1
5
GND
V
CC
*0.5
V
CC
*0.2
V
CC
*0.6
V
CC
*0.8
0.40
0.20
0.55
"5
"10
"10
10
500
µA
µA
µA
µA
µA
V
V
CC
V
V
CC
2.0
GND
V
0.8
TYP
1
MAX
V
UNIT
V
IL
NOTES:
1. All typical values are at V
CC
= 3.3V and T
amb
= 25°C.
2. The specified overdrive current at the data input forces the data input to the opposite logic input state.
AC CHARACTERISTICS
GND = 0V; t
r
= t
f
v
2.5ns; C
L
= 50pF; R
L
= 500Ω; T
amb
= –40°C to +85°C.
LIMITS
SYMBOL
t
PHL
t
PLH
t
PZH
t
PZL
t
PHZ
t
PLZ
t
W
t
SU
t
h
f
max
PARAMETER
Propagation delay
CP to Q
n
3-State output enable time
OE to Q
n
3-State output disable time
OE to Q
n
Clock pulse width HIGH or LOW
Setup time
D
n
to CP
Hold time
D
n
to CP
maximum clock pulse frequency
WAVEFORM
V
CC
= 3.3V
±0.3V
MIN
1, 4
2, 4
2, 4
1
3
3
1
1.5
1.5
1.5
3.0
2.0
1.5
100
TYP
1
4.8
4.8
4.3
1.5
0
0.6
–
MAX
7.0
7.5
6.0
–
–
–
–
V
CC
= 2.7V
MIN
1.5
1.5
1.5
3.0
2.0
1.5
80
MAX
8.0
8.5
7.0
–
–
–
–
V
CC
= 1.2V
TYP
21
22
15
–
–
–
–
ns
ns
ns
ns
ns
ns
MHz
UNIT
NOTE:
1. Unless otherwise stated, all typical values are at V
CC
= 3.3V and T
amb
= 25°C.
1998 Jul 29
6
PHILIPS [ NXP SEMICONDUCTORS ]
