74LV688D NXP Semiconductors, 74LV688D Datasheet - Page 6

• Manufacturer Part Number: 74LV688D
• Manufacturer: NXP Semiconductors
• Type: Identity Comparatorr

Specifications of 74LV688D

• Technology: CMOS
• Low Level Output Current: 12mA
• Output Function: A=B
• Package Type: SO
• Mounting: Surface Mount
• Pin Count: 20
• Polarity: Inverting
• Operating Supply Voltage (max): 5.5V
• Operating Temperature (max): 125C
• Operating Temperature (min): -40C
• Operating Temperature Classification: Automotive
• Number Of Bits: 8
• Lead Free Status / RoHS Status: Supplier Unconfirmed

1. Unless otherwise stated, all typical values are at T
2. Typical value measured at V
3. Typical value measured at V
Philips Semiconductors
AC CHARACTERISTICS
GND = 0V; t
NOTES:
AC WAVEFORMS
V
V
output load.
1998 Jun 23
Waveform 1.
Waveform 2.
M
OL
8-bit magnitude comparator
SYMBOL
t
t
P = Q OUTPUT
PHL
PHL
= 1.5V at V
P
and V
V
E INPUT
GND
V
P = Q OUTPUT
V
n
, Q
I
OH
OL
/t
/t
PLH
PLH
n
INPUT
OH
r
= t
are the typical output voltage drop that occur with the
CC
f
Propagation delays from the enable input (E) to
= 2.5ns; C
Propagation delay
Propagation delay
P
P
Propagation delay
Propagation delay
E to P=Q
E to P=Q
Propagation delays from the inputs (P
w 2.7V; V
n
n
V
the equal-to output (P = Q).
the equal-to output (P = Q).
, Q
, Q
M
V
PARAMETER
t
PLH
M
n
n
t
PHL
to P=Q
to P=Q
L
M
= 50pF; R
= 0.5 V
V
CC
CC
V
M
M
= 3.3V.
= 5.0V.
CC
L
= 1K
at V
WAVEFORM
CC
t
t 2.7V.
V
PHL
M
t
PLH
2
1
amb
SV00195
SV00194
= 25 C.
V
n
, Q
M
n
) to
CONDITION
CONDITION
3.0 to 3.6
4.5 to 5.5
3.0 to 3.6
4.5 to 5.5
V
CC
1.2
2.0
2.7
1.2
2.0
2.7
(V)
TEST CIRCUIT
6
t
PLH/
GENERATOR
TEST
DEFINITIONS
R
C
R
MIN
T
Waveform 3.
PULSE
L
L
t
PHL
= Load resistor
= Load capacitance includes jig and probe capacitiance
= Termination resistance should be equal to Z
–40 to +85 C
TYP
100
16
10
11
28
20
50
17
13
7
2
Test Circuit for Outputs
V
2
2
2
2.7–3.6V
1
l
< 2.7V
R
V
Load circuitry for switching times
4.5 V
T
CC
LIMITS
MAX
45
32
26
18
29
21
17
12
–
–
D.U.T.
V
cc
2.7V
V
V
V
CC
CC
I
–40 to +125 C
MIN
V
O
OUT
C
L
of pulse generators.
Product specification
50pF
MAX
74LV688
57
40
33
22
38
27
22
15
–
–
SV00902
R
L
= 1k
UNIT
ns
ns