Features: ·HIGH SPEED·fMAX = 70 MHz (TYP.) at VCC = 5 V LOWPOWER DISSIPATION·ICC = 4 mA (MAX.) at TA = 25 oC HIGH NOISE IMMUNITY·VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY·10 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE·| IOH|= IOL = 4 mA (MIN.) BALANCEDPROPAGATION DELAYS·tPLH = tPHL WIDE O...
M54HC292: Features: ·HIGH SPEED·fMAX = 70 MHz (TYP.) at VCC = 5 V LOWPOWER DISSIPATION·ICC = 4 mA (MAX.) at TA = 25 oC HIGH NOISE IMMUNITY·VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY·10 LSTTL LOADS ...
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Symbol |
Parameter |
Value |
Unit |
VCC |
Supply Voltage |
-0.5 to +7 |
V |
VI |
DC Input Voltage |
-0.5 to VCC + 0.5 |
V |
VO |
DC Output Voltage |
-0.5 to VCC + 0.5 |
V |
IIK |
DC Input Diode Current |
±20 |
mA |
IOK |
DC Input Diode Current |
±20 |
mA |
IO |
DC Output Source Sink Current Per Output Pin |
±25 |
mA |
ICC or IGND |
DC VCC or Ground Current |
±50 |
mA |
PD |
Power Dissipation |
500* |
mW |
Tstg |
Storage Temperature |
-65 to +150 |
|
TL |
Lead Temperature (10 sec) |
300 |
The 54/74HC292/7292 and HC294/7294 are high speedCMOS PROGRAMMABLE DIVIDER/TIMER fabricated with silicon C2MOS technology.
54/74HC292/7292 and HC294/7294 achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation.
These devices 54/74HC292/7292 and HC294/7294 are programmable frequency dividers. The typeshave two clock inputs, either one may be used for clock gating. (see the function table). The HC292/7292 can divide from 22 to 231,and the HC294/7294 can divide from 22 to 215. The types feature an active-low clear input to initialize the state of all flip-flops. To facilitate incoming inspection, test points are provided. (TP1, TP2 and TP3 on the HC292/7292 and TP on the HC294/7294). All inputs are equipped with protection circuits against static discharge and transient excess voltage.
HC292/294 have Q output with "Totem pole"configuration and test point TP with "Open Drain"output configuration. HC7292/7294 have all outputs "Totem Pole".