74LV688D NXP Semiconductors, 74LV688D Datasheet - Page 2

• 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. C
Philips Semiconductors
FEATURES
QUICK REFERENCE DATA
NOTE:
ORDERING INFORMATION
PIN CONFIGURATION
t
C
C
20-Pin Plastic DIL
20-Pin Plastic SO
20-Pin Plastic SSOP Type II
20-Pin Plastic TSSOP Type I
1998 Jun 23
PHL
Wide operating voltage: 1.0 to 5.5V
Optimized for low voltage applications: 1.0V to 3.6V
Accepts TTL input levels between V
Typical V
T
Typical V
T
Compare two 8-bit words
Output capability: standard
I
8-bit magnitude comparator
I
PD
CC
P
f
f
S (C
amb
amb
i
o
PD
D
= input frequency in MHz; C
/t
= output frequency in MHz; V
category: MSI
PLH
= C
= 25 C
= 25 C
SYMBOL
L
is used to determine the dynamic power dissipation (P
PD
OLP
OHV
V
PACKAGES
CC
V
2
(output ground bounce) < 0.8V at V
(output V
CC
f
GND
2
o
) = sum of outputs.
Q0
Q1
Q2
Q3
P0
P1
P2
P3
E
f
i
+ S (C
10
OH
1
2
3
4
5
6
7
8
9
Propagation delay P
Input capacitance
Power dissipation capacitance per gate
undershoot) > 2V at V
L
L
V
= output load capacity in pF;
CC
CC
SY00054
CC
= supply voltage in V;
2
PARAMETER
TEMPERATURE RANGE
= 2.7V and V
20
19
18
17
16
15
14
13
12
11
f
o
–40 C to +125 C
–40 C to +125 C
–40 C to +125 C
–40 C to +125 C
) where:
V
P = Q
Q7
P7
Q6
P6
Q5
P5
Q4
P4
CC
n
, Q
CC
n
CC
to P=Q
= 3.3V,
= 3.3V,
CC
= 3.6V
D
in mW):
OUTSIDE NORTH AMERICA
C
V
V
CC
I
L
= GND to V
2
= 15pF
= 3.3V
DESCRIPTION
The 74LV688 is a high-speed Si-gate CMOS device, pin compatible
with the 74HC/HCT688
The 74LV688 is an 8-bit magnitude comparator. It performs
comparisons of two 8-bit binary or BCD words. The output provides
P = Q (equal-to).
PIN DESCRIPTION
74LV688 PW
1
2, 4, 6, 8, 11,
13, 15, 17
3, 5, 7, 9, 12,
14, 16, 18
10
19
20
74LV688 DB
CONDITIONS
74LV688 N
74LV688 D
PIN NO.
CC
1
E
P0 to P7
Q0 to Q7
GND
P=Q
V
CC
SYMBOL
NORTH AMERICA
74LV688PW DH
74LV688 DB
74LV688 N
74LV688 D
TYPICAL
3.5
17
22
Enable input (active LOW)
Word inputs
Word inputs
Ground (0V)
Equal to output
Positive Supply Voltage
Product specification
FUNCTION
74LV688
PKG. DWG. #
853-1878 19618
SOT146-1
SOT163-1
SOT339-1
SOT360-1
UNIT
pF
pF
ns