
Philips Semiconductors Product specification
2-input EXCLUSIVE-OR gate
FEATURES
• Wide operating voltage range:
2.0 to 6.0 V
• Symmetrical output impedance
• High noise immunity
• Low power dissipation
• Balanced propagation delays
• Very small 5 pins package
• Output capability: standard.
DESCRIPTION
The 74HC1G/HCT1G86 is a
high-speed Si-gate CMOS device.
The 74HC1G/HCT1G86 provides the
2-input EXCLUSIVE-OR function.
The standard output currents are
compared to the 74HC/HCT86.
FUNCTION TABLE
See note 1.
QUICK REFERENCE DATA
GND = 0 V; T
Notes
1. C
1
⁄
2
2. For HC1G the condition is VI= GND to VCC;
=25°C; tr=tf=6.0 ns.
amb
SYMBOL PARAMETER CONDITIONS
/ t
t
PHL
PLH
C
I
C
PD
propagation delay
inA, inB to outY
CL=15pF
VCC=5V
input capacitance 1.5 1.5 pF
power dissipation
notes 1 and 2 23 23 pF
capacitance
is used to determine the dynamic power dissipation (PDin µW).
PD
PD=CPD× V
2
× fi+ ∑ (CL× V
CC
2
× fo) where:
CC
fi= input frequency in MHz;
fo= output frequency in MHz;
CL= output load capacitance in pF;
VCC= supply voltage in V;
∑ (CL× V
2
× fo) = sum of outputs.
CC
For HCT1G the condition is VI= GND to VCC− 1.5 V.
74HC1G86;
74HCT1G86
TYP.
UNIT
HC1G HCT1G
910ns
INPUTS OUTPUT
inA inB outY
LL L
LH H
HL H
HH L
Note
1. H = HIGH voltage level;
L = LOW voltage level.
PINNING
1 and 2 inB, inA data inputs
PIN SYMBOL DESCRIPTION
3 GND ground (0 V)
4 outY data output
5V
CC
DC supply voltage
1998 Aug 05 2

Philips Semiconductors Product specification
2-input EXCLUSIVE-OR gate
DC CHARACTERISTICS FOR THE 74HCT1G
Over recommended operating conditions; voltages are referenced to GND (ground = 0 V).
T
(°C)
amb
SYMBOL PARAMETER
V
IH
HIGH-level input
voltage
V
IL
LOW-level input
voltage
V
OH
HIGH-level output
voltage; all outputs
V
OH
HIGH-level output
voltage; standard
outputs
V
OL
LOW-level output
voltage; all outputs
V
OL
LOW-level output
voltage; standard
outputs
I
I
I
CC
input leakage current −− 1.0 − 1.0 µA 5.5 VI=VCCor GND
quiescent supply
current
∆I
CC
additional supply
current per input
−40 to +85 −40 to +125
MIN. TYP.
(1)
MAX. MIN. MAX.
2.0 1.6 − 2.0 − V 4.5 to 5.5
− 1.2 0.8 − 0.8 V 4.5 to 5.5
4.4 4.5 − 4.4 − V 4.5 VI=VIHor VIL;
4.13 4.32 − 3.7 − V 4.5 VI=VIHor VIL;
− 0 0.1 − 0.1 V 4.5 VI=VIHor VIL;
− 0.15 0.33 − 0.4 V 4.5 VI=VIHor VIL;
−− 10.0 − 20.0 µA 5.5 VI=VCCor GND;
−− 500 − 850 µA 4.5 to 5.5 VI=VCC− 2.1 V;
UNIT
74HC1G86;
74HCT1G86
TEST CONDITIONS
VCC(V) OTHER
−IO=20µA
−IO= 2.0 mA
IO=20µA
IO= 2.0 mA
IO=0
IO=0
Note
1. All typical values are measured at T
amb
=25°C.
1998 Aug 05 6

Philips Semiconductors Product specification
2-input EXCLUSIVE-OR gate
SOLDERING
Introduction
There is no soldering method that is ideal for all IC
packages. Wave soldering is often preferred when
through-hole and surface mounted components are mixed
on one printed-circuit board. However, wave soldering is
not always suitable for surface mounted ICs, or for
printed-circuits with high population densities. In these
situations reflow soldering is often used.
This text gives a very brief insight to a complex technology.
A more in-depth account of soldering ICs can be found in
our
“Data Handbook IC26; Integrated Circuit Packages”
(order code 9398 652 90011).
Reflow soldering
Reflow soldering techniques are suitable for all SO
packages.
Reflow soldering requires solder paste (a suspension of
fine solder particles, flux and binding agent) to be applied
to the printed-circuit board by screen printing, stencilling or
pressure-syringe dispensing before package placement.
Several techniques exist for reflowing; for example,
thermal conduction by heated belt. Dwell times vary
between 50 and 300 seconds depending on heating
method. Typical reflow temperatures range from
215 to 250 °C.
Preheating is necessary to dry the paste and evaporate
the binding agent. Preheating duration: 45 minutes at
45 °C.
74HC1G86;
74HCT1G86
Wave soldering
Wave soldering techniques can be used for all SO
packages if the following conditions are observed:
• A double-wave (a turbulent wave with high upward
pressure followed by a smooth laminar wave) soldering
technique should be used.
• The longitudinal axis of the package footprint must be
parallel to the solder flow.
• The package footprint must incorporate solder thieves at
the downstream end.
During placement and before soldering, the package must
be fixed with a droplet of adhesive. The adhesive can be
applied by screen printing, pin transfer or syringe
dispensing. The package can be soldered after the
adhesive is cured.
Maximum permissible solder temperature is 260 °C, and
maximum duration of package immersion in solder is
10 seconds, if cooled to less than 150 °C within
6 seconds. Typical dwell time is 4 seconds at 250 °C.
A mildly-activated flux will eliminate the need for removal
of corrosive residues in most applications.
Repairing soldered joints
Fix the component by first soldering two diagonallyopposite end leads. Use only a low voltage soldering iron
(less than 24 V) applied to the flat part of the lead. Contact
time must be limited to 10 seconds at up to 300 °C. When
using a dedicated tool, all other leads can be soldered in
one operation within 2 to 5 seconds between
270 and 320 °C.
1998 Aug 05 10

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© Philips Electronics N.V. 1998 SCA60
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Printed in The Netherlands 245106/00/01/pp12 Date of release: 1998 Aug 05 Document order number: 9397 750 03668