74hct221 NXP Semiconductors, 74hct221 Datasheet
74hct221
Available stocks
Related parts for 74hct221
74hct221 Summary of contents
Page 1
DATA SHEET For a complete data sheet, please also download: The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications The IC06 74HC/HCT/HCU/HCMOS Logic Package Information The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines 74HC/HCT221 Dual non-retriggerable monostable multivibrator with reset Product specification Supersedes data of ...
Page 2
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset FEATURES Pulse width variance is typically less than 5% Pin-out identical to “123” Overriding reset terminates output pulse nB inputs have hysteresis for improved noise immunity Output capability: standard (except for nR ...
Page 3
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset ORDERING INFORMATION See “74HC/HCT/HCU/HCMOS Logic Package Information” PIN DESCRIPTION PIN NO. SYMBOL ...
Page 4
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset Fig.4 Functional diagram. December 1990 FUNCTION TABLE INPUTS Notes HIGH ...
Page 5
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset Note It is recommended to ground pins 6 (2C December 1990 Fig.5 Logic diagram. ) and 14 (1C ) externally to pin 8 (GND). EXT EXT Fig.6 Timing component connections. 5 Product ...
Page 6
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset DC CHARACTERISTICS FOR 74HC For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications” Output capability: standard (except for nR I category: MSI CC AC CHARACTERISTICS FOR 74HC GND = ...
Page 7
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset PARAMETER SYMBOL t output pulse width output pulse width output pulse width pulse width match W between ...
Page 8
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset DC CHARACTERISTICS FOR 74HCT For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications” Output capability: standard (except for nR I category: MSI CC Note to HCT types The value of additional quiescent ...
Page 9
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset AC CHARACTERISTICS FOR 74HCT GND = ns PARAMETER SYMBOL t propagation delay (trigger) PLH nA ...
Page 10
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset PARAMETER SYMBOL t trigger pulse width removal time rem external timing resistor EXT C external timing capacitor EXT December 1990 ...
Page 11
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset AC WAVEFORMS Fig.7 Output pulse control; nR Fig.8 Output pulse control using reset input LOW GND ...
Page 12
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset Fig.12 HC typical output pulse width as a function of timing capacitance (V December 1990 CC 12 Product specification 74HC/HCT221 = 2 V). ...
Page 13
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset Fig.13 HC/HCT typical output pulse width as a function of timing capacitance (V December 1990 13 Product specification 74HC/HCT221 = 4.5 V). CC ...
Page 14
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset Fig.14 HC typical output pulse width as a function of timing capacitance (V December 1990 CC 14 Product specification 74HC/HCT221 = 6 V). ...
Page 15
Philips Semiconductors Dual non-retriggerable monostable multivibrator with reset Fig.15 Typical output pulse width as a function of temperature 0 Power-down consideration A large capacitor (C ) may cause problems when ...