MM74HC393 Binary Counter Datasheet

MM74HC393 Datasheet, PDF, Equivalent


Part Number

MM74HC393

Description

Dual 4-Bit Binary Counter

Manufacture

Fairchild

Total Page 7 Pages
Datasheet
Download MM74HC393 Datasheet


MM74HC393
September 1983
Revised February 1999
MM74HC393
Dual 4-Bit Binary Counter
General Description
The MM74HC393 counter circuits contain independent rip-
ple carry counters and utilize advanced silicon-gate CMOS
technology. The MM74HC393 contains two 4-bit ripple
carry binary counters, which can be cascaded to create a
single divide-by-256 counter.
Each of the two 4-bit counters is incremented on the HIGH-
to-LOW transition (negative edge) of the clock input, and
each has an independent clear input. When clear is set
HIGH all four bits of each counter are set to a low level.
This enables count truncation and allows the implementa-
tion of divide-by-N counter configurations.
Each of the counters outputs can drive 10 low power
Schottky TTL equivalent loads. This counter is functionally
as well as pin equivalent to the 74LS393. All inputs are pro-
tected from damage due to static discharge by diodes to
VCC and ground.
Features
s Typical operating frequency: 50 MHz
s Typical propagation delay: 13 ns (Ck to QA)
s Wide operating supply voltage range: 2–6V
s Low input current: <1 µA
s Low quiescent supply current: 80 µA maximum (74HC
Series)
s Fanout of 10 LS-TTL loads
Ordering Code:
Order Number Package Number
Package Description
MM74HC393M
M14A
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow
MM74HC393SJ
M14D
14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MM74HC393MTC
MTC14
14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
MM74HC393N
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagram
Pin Assignments for DIP, SOIC, SOP and TSSOP
Top View
© 1999 Fairchild Semiconductor Corporation DS005337.prf
www.fairchildsemi.com

MM74HC393
Absolute Maximum Ratings
(Note 2)
(Note 1)
Supply Voltage (VCC)
DC Input Voltage (VIN)
DC Output Voltage (VOUT)
Clamp Diode Current (IIK, IOK)
DC Output Current, per pin (IOUT)
DC VCC or GND Current, per pin (ICC)
Storage Temperature Range (TSTG)
Power Dissipation (PD)
(Note 3)
S.O. Package only
Lead Temperature (TL)
(Soldering 10 seconds)
0.5 to +7.0V
1.5 to VCC +1.5V
0.5 to VCC +0.5V
±20 mA
±25 mA
±50 mA
65°C to +150°C
600 mW
500 mW
260°C
Recommended Operating
Conditions
Min Max Units
Supply Voltage (VCC)
DC Input or Output Voltage
26
V
(VIN, VOUT)
Operating Temperature Range (TA)
Input Rise or Fall Times
0
40
VCC
+85
V
°C
(tr, tf) VCC = 2.0V
1000 ns
VCC = 4.5V
500 ns
VCC = 6.0V
400 ns
Note 1: Absolute Maximum Ratings are those values beyond which dam-
age to the device may occur.
Note 2: Unless otherwise specified all voltages are referenced to ground.
Note 3: Power Dissipation temperature derating — plastic “N” package:
12 mW/°C from 65°C to 85°C.
DC Electrical Characteristics (Note 4)
Symbol
Parameter
Conditions
VCC
TA = 25°C
TA = −40 to 85°C TA = −55 to 125°C Units
Typ Guaranteed Limits
VIH Minimum HIGH Level
Input Voltage
2.0V
4.5V
1.5
3.15
1.5
3.15
1.5
3.15
V
V
6.0V
4.2 4.2
4.2 V
VIL Maximum LOW Level
Input Voltage
2.0V
4.5V
0.5
1.35
0.5
1.35
0.5
1.35
V
V
6.0V
1.8 1.8
1.8 V
VOH Minimum HIGH Level
Output Voltage
VIN = VIH or VIL
|IOUT| 20 µA
2.0V
4.5V
2.0
4.5
1.9
4.4
1.9
4.4
1.9 V
4.4 V
6.0V
6.0
5.9
5.9
5.9 V
VOL Maximum LOW Level
Output Voltage
VIN = VIH or VIL
|IOUT| 4.0 mA
|IOUT| 5.2 mA
VIN = VIH or VIL
|IOUT| 20 µA
4.5V
6.0V
2.0V
4.5V
4.2
5.7
0
0
3.98
5.48
0.1
0.1
3.84
5.34
0.1
0.1
3.7 V
5.2 V
0.1 V
0.1 V
6.0V
0
0.1
0.1
0.1 V
IIN Maximum Input
Current
VIN = VIH or VIL
|IOUT| 4.0 mA
|IOUT| 5.2 mA
VIN = VCC or GND
4.5V
6.0V
6.0V
0.2
0.2
0.26
0.26
±0.1
0.33
0.33
±1.0
0.4
0.4
±1.0
V
V
µA
ICC Maximum Quiescent
VIN = VCC or GND
6.0V
8.0 80
160 µA
Supply Current
IOUT = 0 µA
Note 4: For a power supply of 5V ±10% the worst case output voltages (VOH, and VOL) occur for HC at 4.5V. Thus the 4.5V values should be used when
designing with this supply. Worst case VIH and VIL occur at VCC = 5.5V and 4.5V respectively. (The VIH value at 5.5V is 3.85V.) The worst case leakage cur-
rent (IIN, ICC, and IOZ) occur for CMOS at the higher voltage and so the 6.0V values should be used.
www.fairchildsemi.com
2


Features MM74HC393 Dual 4-Bit Binary Counter Sep tember 1983 Revised February 1999 MM74 HC393 Dual 4-Bit Binary Counter General Description The MM74HC393 counter circ uits contain independent ripple carry c ounters and utilize advanced silicon-ga te CMOS technology. The MM74HC393 conta ins two 4-bit ripple carry binary count ers, which can be cascaded to create a single divide-by-256 counter. Each of t he two 4-bit counters is incremented on the HIGHto-LOW transition (negative ed ge) of the clock input, and each has an independent clear input. When clear is set HIGH all four bits of each counter are set to a low level. This enables c ount truncation and allows the implemen tation of divide-by-N counter configura tions. Each of the counters outputs can drive 10 low power Schottky TTL equiva lent loads. This counter is functionall y as well as pin equivalent to the 74LS 393. All inputs are protected from dama ge due to static discharge by diodes to VCC and ground. Features s Typical operating frequency: 50 MH.
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