74HC40103 Просмотр технического описания (PDF) - Integrated Circuit Systems

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производитель

74HC40103

8-bit synchronous binary down counter

Integrated Circuit Systems 

Philips Semiconductors

8-bit synchronous binary down counter

AC WAVEFORMS

Product specification

74HC/HCT40103

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.7

Waveforms showing the clock input (CP) to

TC propagation delays, the clock pulse width,

the output transition times and the maximum

clock pulse frequency.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.8 Waveforms showing the TE to TC

propagation delays.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.9 Waveforms showing PL, MR, Pn to TC

propagation delays.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.10 Waveforms showing removal time for

MR and PL.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.11 Waveforms showing hold and set-up times for

MR or PE to CP.

The shaded areas indicate when the input is permitted to change

for predictable output performance.

(1) HC : VM = 50%; VI = GND to VCC.

HCT: VM = 1.3 V; VI = GND to 3 V.

Fig.12 Waveforms showing hold and set-up times

for Pn, PE to CP.

1998 Jul 08

10

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