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74HC9115D-74HCT9115D
Nine wide Schmitt trigger buffer; open drain outputs
Philips Semiconductors Product specification
Nine wide Schmitt trigger buffer;
open drain outputs 74HC/HCT9115
FEATURES Schmitt trigger action on all data inputs Output capability: standard (open drain) ICC category: MSI
GENERAL DESCRIPTIONThe 74HC/HCT9115 are high-speed Si-gate CMOS
devices and are pin compatible with low power Schottky
TTL (LSTTL). They are specified in compliance with
JEDEC standard no. 7A.
The 74HC/HCT9115 are nine wide Schmitt trigger buffer
with open drain outputs and Schmitt trigger inputs.
The Schmitt trigger action in the data inputs transform
slowly changing input signals into sharply defined
jitter-free output signals.
The 74HC/HCT9115 have open-drain N-transistor
outputs, which are not clamped by a diode connected to
VCC. In the OFF-state, i.e. when one input is HIGH, the
output may be pulled to any voltage between GND and
VOmax. This allows the device to be used as a
LOW-to-HIGH or HIGH-to-LOW level shifter. For digital
operation and OR-tied output applications, these devices
must have a pull-up resistor to establish a logic HIGH level.
The “9115” is identical to the “9114” but has non-inverting
outputs.
QUICK REFERENCE DATAGND= 0 V; Tamb =25 °C; tr =tf= 6 ns
Notes CPD is used to determine the dynamic power dissipation (PDin μW): =CPD× VCC2×fi +∑ (CL× VCC2× fo) where:= input frequency in MHz= output frequency in MHz (CL× VCC2×fo)= sum of outputs= output load capacitance in pF
VCC= supply voltage in V For HC the condition is VI= GND to VCC
For HCT the condition is VI= GND to VCC− 1.5 V
ORDERING INFORMATIONSee “74HC/HCT/HCU/HCMOS Logic Package Information”.
Philips Semiconductors Product specification
Nine wide Schmitt trigger buffer;
open drain outputs 74HC/HCT9115
PIN DESCRIPTION
Philips Semiconductors Product specification
Nine wide Schmitt trigger buffer;
open drain outputs 74HC/HCT9115
FUNCTION TABLE
Notes H= HIGH voltage level= LOW voltage level= high impedance OFF-state
Philips Semiconductors Product specification
Nine wide Schmitt trigger buffer;
open drain outputs 74HC/HCT9115
DC CHARACTERISTICS FOR 74HCFor the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Transfer characteristics are given below.
Output capability: standard
ICC category: MSI
TRANSFER CHARACTERISTICS FOR 74HCVoltages are referred to GND (ground= 0 V)
AC CHARACTERISTICS FOR 74HCGND= 0 V; tr =tf= 6 ns; CL= 50 pF
Philips Semiconductors Product specification
Nine wide Schmitt trigger buffer;
open drain outputs 74HC/HCT9115
DC CHARACTERISTICS FOR 74HCTFor the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Transfer characteristics are given below.
Output capability: standard
ICC category: MSI
Note to HCT typesThe value of additional quiescent supply current (ΔICC) for a unit load of 1 is given in the family specifications.
To determine ΔICC per input, multiply this value by the unit load coefficient shown in the table below.
TRANSFER CHARACTERISTICS FOR 74HCTVoltages are referred to GND (ground= 0 V)
AC CHARACTERISTICS FOR 74HCTGND= 0 V; tr =tf= 6 ns; CL= 50 pF
