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HD74HC292 Datasheet, PDF (5/10 Pages) Hitachi Semiconductor – Programmable Frequency Divider/Digital Timer | |||
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HD74HC292 / HD74HC294
⢠HD74HC294
CLR
CLK1
CLK2
0
1
14
13
12
11
10
9
A
1
8
B
2
C
4
D
8
7
6
5
4
3
2
TP
Q
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Supply voltage range
Input / Output voltage
Input / Output diode current
Output current
VCC, GND current
Power dissipation
Storage temperature
VCC
VIN, VOUT
IIK, IOK
IO
ICC or IGND
PT
Tstg
â0.5 to 7.0
V
â0.5 to VCC +0.5
V
±20
mA
±25
mA
±50
mA
500
mW
â65 to +150
°C
Note: The absolute maximum ratings are values, which must not individually be exceeded, and furthermore, no two of
which may be realized at the same time.
Recommended Operating Conditions
Item
Symbol
Ratings
Supply voltage
VCC
2 to 6
Input / Output voltage
VIN, VOUT
0 to VCC
Operating temperature
Input rise / fall time*1
Ta
â40 to 85
tr, tf
0 to 1000
0 to 500
0 to 400
Notes: 1. This item guarantees maximum limit when one input switches.
Waveform: Refer to test circuit of switching characteristics.
Unit
V
V
°C
ns
Conditions
VCC = 2.0 V
VCC = 4.5 V
VCC = 6.0 V
Rev.2.00 Jan 31, 2006 page 5 of 9
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