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Toshiba Electronic Components Datasheet

TC74VHC4040FN Datasheet

12-STAGE RIPPLE-CARRY BINARY COUNTER

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TC74VHC4040F/FN/FT/FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC4040F,TC74VHC4040FN,TC74VHC4040FT,TC74VHC4040FK
12-Stage Ripple Carry Binary Counter
The TC74VHC4040 is an advanced high speed CMOS
12-STAGE BINARY COUNTER/DIVIDER fabricated with silicon
gate C2MOS technology.
It achieves the high speed operation similar to equivalent
Bipolar Schottky TTL while maintaining the CMOS low power
dissipation.
Setting CLR to high resets the counter to low.
A negative transition on the CK input brings one increment
into the counter.
This counter provides all divided output stages, and at Q12, a
1/4096 divided frequency will be output.
An input protection circuit ensures that 0 to 5.5 V can be
applied to the input pins without regard to the supply voltage.
This device can be used to interface 5 V to 3 V systems and two
supply systems such as battery back up. This circuit prevents
device destruction due to mismatched supply and input voltages.
Features
High speed: fmax = 210 MHz (typ.) at VCC = 5 V
Low power dissipation: ICC = 4 μA (max) at Ta = 25°C
High noise immunity: VNIH = VNIL = 28% VCC (min)
Power down protection is provided on all inputs.
Balanced propagation delays: tpLH ∼− tpHL
Wide operating voltage range: VCC (opr) = 2 V to 5.5 V
Low noise: VOLP = 1.5 V (max)
Pin and function compatible with 74HC4040
Note: xxxFN (JEDEC SOP) is not available in
Japan.
TC74VHC4040F
TC74VHC4040FN
TC74VHC4040FT
TC74VHC4040FK
Weight
SOP16-P-300-1.27A
SOL16-P-150-1.27
TSSOP16-P-0044-0.65A
VSSOP16-P-0030-0.50
: 0.18 g (typ.)
: 0.13 g (typ.)
: 0.06 g (typ.)
: 0.02 g (typ.)
1 2007-10-01


Toshiba Electronic Components Datasheet

TC74VHC4040FN Datasheet

12-STAGE RIPPLE-CARRY BINARY COUNTER

No Preview Available !

Pin Assignment
Q12 1
Q6 2
Q5 3
Q7 4
Q4 5
Q3 6
Q2 7
GND 8
(top view)
16 VCC
15 Q11
14 Q10
13 Q8
12 Q9
11 CLR
10 CK
9 Q1
Truth Table
CK CLR
XH
L
L
X: Don’t care
Output State
All Outputs = “L”
No Change
Advance to Next State
TC74VHC4040F/FN/FT/FK
IEC Logic Symbol
CLR (11)
CK (10)
RCTR 12 0
CT = 0
+ CT
11
(9) Q1
(7) Q2
(6) Q3
(5) Q4
(3) Q5
(2) Q6
(4) Q7
(13) Q8
(12) Q9
(14) Q10
(15) Q11
(1) Q12
2 2007-10-01


Part Number TC74VHC4040FN
Description 12-STAGE RIPPLE-CARRY BINARY COUNTER
Maker Toshiba
Total Page 11 Pages
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