TC74VHC393FK Datasheet PDF - Toshiba

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TC74VHC393FK
Toshiba

Part Number TC74VHC393FK
Description Dual Binary Counter
Page 10 Pages


TC74VHC393FK datasheet pdf
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TC74VHC393F/FT/FK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHC393F,TC74VHC393FT,TC74VHC393FK
Dual Binary Counter
The TC74VHC393 is an advanced high speed CMOS 4-BIT
BINARY COUNTER 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.
It contains two independent counter circuits in one package, so
that counting or frequency division of eight binary bits can be
achieved with one IC.
This device changes state on the negative going transition of
the CLOCK pulse. The counter can be reset to “0” (QA to QD =
“L”) by a high at the CLEAR input regardless of other inputs.
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 = 170 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 to 5.5 V
Low noise: VOLP = 0.8 V (max)
Pin and function compatible with 74ALS393
TC74VHC393F
TC74VHC393FT
TC74VHC393FK
Weight
SOP14-P-300-1.27A
TSSOP14-P-0044-0.65A
VSSOP14-P-0030-0.50
: 0.18 g (typ.)
: 0.06 g (typ.)
: 0.02 g (typ.)
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Pin Assignment
1CK 1
1CLR 2
1QA 3
1QB 4
1QC 5
1QD 6
GND 7
(top view)
14 VCC
13 2CK
12 2CLR
11 2QA
10 2QB
9 2QC
8 2QD
Truth Table
Inputs
CK CLR
XH
L
L
QA
L
Outputs
QB QC
LL
Count Up
No Change
QD
L
X: Don’t care
System Diagram
TC74VHC393F/FT/FK
IEC Logic Symbol
1CLR (2)
1CK (1)
2CLR (12)
2CK (13)
CTRDIV 16
CT = 0
0
CT
+3
(3) 1QA
(4) 1QB
(5) 1QC
(6) 1QD
(11) 2QA
(10) 2QB
(9) 2QC
(8) 2QD
1/13
CK
2/12
CLR
D
CK Q
R
D
CK Q
R
D
CK Q
R
D
CK Q
R
3/11
QA
4/10
QB
5/9
QC
6/8
QD
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Timing Chart
TC74VHC393F/FT/FK
CK
CLR
QA
QB
QC
QD
Absolute Maximum Ratings (Note)
Characteristics
Symbol
Rating
Unit
Supply voltage range
DC input voltage
DC output voltage
Input diode current
Output diode current
DC output current
DC VCC/ground current
Power dissipation
Storage temperature
VCC
VIN
VOUT
IIK
IOK
IOUT
ICC
PD
Tstg
0.5 to 7.0
0.5 to 7.0
0.5 to VCC + 0.5
20
±20
±25
±75
180
65 to 150
V
V
V
mA
mA
mA
mA
mW
°C
Note:
Exceeding any of the absolute maximum ratings, even briefly, lead to deterioration in IC performance or
even destruction.
Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the
significant change in temperature, etc.) may cause this product to decrease in the reliability significantly
even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute
maximum ratings and the operating ranges.
Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook
(“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test
report and estimated failure rate, etc).
Operating Ranges (Note)
Characteristics
Symbol
Rating
Unit
Supply voltage
Input voltage
Output voltage
Operating temperature
Input rise and fall time
VCC
VIN
VOUT
Topr
dt/dv
2.0 to 5.5
0 to 5.5
0 to VCC
40 to 85
0 to 100 (VCC = 3.3 ± 0.3 V)
0 to 20 (VCC = 5 ± 0.5 V)
V
V
V
°C
ns/V
Note: The operating ranges must be maintained to ensure the normal operation of the device.
Unused inputs must be tied to either VCC or GND.
3
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TC74VHC393F/FT/FK
Electrical Characteristics
DC Characteristics
Characteristics
Symbol
High-level input
voltage
Low-level input
voltage
VIH
VIL
Test Condition
High-level output
voltage
Low-level output
voltage
Input leakage
current
Quiescent supply
current
VOH
IOH = 50 μA
VIN
= VIH or VIL
IOH = 4 mA
IOH = 8 mA
IOL = 50 μA
VOL
VIN
= VIH or VIL
IOL = 4 mA
IOL = 8 mA
IIN VIN = 5.5 V or GND
ICC VIN = VCC or GND
Ta = 25°C
VCC (V) Min
2.0 1.50
3.0 to VCC ×
5.5 0.7
Typ.
Max
Ta =
40 to 85°C
Min Max
1.50
VCC ×
0.7
2.0
3.0 to
5.5
0.50 0.50
VCC ×
0.3
VCC ×
0.3
2.0 1.9 2.0 1.9
3.0 2.9 3.0 2.9
4.5 4.4 4.5 4.4
3.0 2.58
2.48
4.5 3.94
3.80
2.0 0.0 0.1 0.1
3.0 0.0 0.1 0.1
4.5 0.0 0.1 0.1
3.0 ― ― 0.36 0.44
4.5 ― ― 0.36 0.44
Unit
V
V
V
V
0 to 5.5
±0.1 ±1.0 μA
5.5 ― ― 4.0 40.0 μA
Timing Requirements (input: tr = tf = 3 ns)
Characteristics
Symbol
Minimum pulse width
( CK )
Minimum pulse width
(CLR)
Minimum removal time
tw (H)
tw (L)
tw (H)
trem
Test Condition
VCC (V)
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
3.3 ± 0.3
5.0 ± 0.5
Ta = 25°C
Typ. Limit
5.0
5.0
5.0
5.0
5.0
4.0
Ta =
40 to
85°C
Limit
5.0
5.0
5.0
5.0
5.0
4.0
Unit
ns
ns
ns
4 2012-02-29



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