93152L1T, 9316, 9316DC Selling Leads, Datasheet
MFG:TI Package Cooled:SOP D/C:N/A
93152L1T, 9316, 9316DC Datasheet download
Part Number: 93152L1T
MFG: TI
Package Cooled: SOP
D/C: N/A
93152L1T, 9316, 9316DC
- Table of contents:
Info of 93152L1T
Info of 9316
Info of 9316DC
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About 9311
PDF/DataSheet Download
Datasheet: 9311
File Size: 98475 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
About 9316
PDF/DataSheet Download
Datasheet: 9316
File Size: 168688 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
About 9311
PDF/DataSheet Download
Datasheet: 9311
File Size: 98475 KB
Manufacturer: NSC [National Semiconductor]
Download : Click here to Download
9316 General Description
These synchronous, presettable counters feature an internal carry look-ahead for application in high-speed counting
designs. The 9316 is a 4-bit binary counter. The carry output is decoded by means of a NOR gate, thus preventing spikes
during the normal counting mode of operation. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enables inputs and internal gating. This mode of operating eliminates the output counting spikes which are normally associated with asynchronous (ripple clock) counters. A buffered clock input triggers the four flip-flops on the rising (positive-going) edge of the clock input waveform.
These counters are fully programmable; that is, the outputs may be preset to either level. As presetting is synchronous,
setting up a low level at the load input disables the counter and causes the outputs to agree with the setup data after
the next clock pulse regardless of the levels of the enable input. Low-to-high transitions at the load input are perfectly
acceptable regardless of the logic levels on the clock or enable inputs. The clear function is asynchronous and a low level at the clear input sets of the flip-flop outputs low regardless of the levels of clock, load, or enable inputs.
The carry look-ahead circuitry provides for cascading counters for n-bit synchronous applications without additional gating. Instrumental in accomplishing this function are two count-enable inputs and a ripple carry output. Both countenable inputs (P and T) must be high to count, and input T is fed-forward to enable the ripple carry output. The ripple carry output thus enabled will produce a high-level output pulse with a duration approximately equal to the high-level portion of the QA output. This high-level overflow ripple carry pulse can be used to enable successive cascaded stages. Highto-low level transitions at the enable P or T inputs may occur regardless of the logic level in the clock.
designs. The 9316 is a 4-bit binary counter. The carry output is decoded by means of a NOR gate, thus preventing spikes
during the normal counting mode of operation. Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs change coincident with each other when so instructed by the count-enables inputs and internal gating. This mode of operating eliminates the output counting spikes which are normally associated with asynchronous (ripple clock) counters. A buffered clock input triggers the four flip-flops on the rising (positive-going) edge of the clock input waveform.
These counters are fully programmable; that is, the outputs may be preset to either level. As presetting is synchronous,
setting up a low level at the load input disables the counter and causes the outputs to agree with the setup data after
the next clock pulse regardless of the levels of the enable input. Low-to-high transitions at the load input are perfectly
acceptable regardless of the logic levels on the clock or enable inputs. The clear function is asynchronous and a low level at the clear input sets of the flip-flop outputs low regardless of the levels of clock, load, or enable inputs.
The carry look-ahead circuitry provides for cascading counters for n-bit synchronous applications without additional gating. Instrumental in accomplishing this function are two count-enable inputs and a ripple carry output. Both countenable inputs (P and T) must be high to count, and input T is fed-forward to enable the ripple carry output. The ripple carry output thus enabled will produce a high-level output pulse with a duration approximately equal to the high-level portion of the QA output. This high-level overflow ripple carry pulse can be used to enable successive cascaded stages. Highto-low level transitions at the enable P or T inputs may occur regardless of the logic level in the clock.
9316 Maximum Ratings
If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/Distributors for availability and specifications.
Supply Voltage 7V
Input Voltage 5.5V
Operating Free Air Temperature Range
Military -55 to +125
Commercial 0 to +70
Storage Temperature Range -65 to +150
Note: The ``Absolute Maximum Ratings'' are those values beyond which the safety of the device cannot be guaranteed.
The device should not be operated at these limits. The parametric values defined in the ``Electrical Characteristics'' table are not guaranteed at the absolute maximum ratings. The ``Recommended Operating Conditions'' table will define the conditions for actual device operation.
Supply Voltage 7V
Input Voltage 5.5V
Operating Free Air Temperature Range
Military -55 to +125
Commercial 0 to +70
Storage Temperature Range -65 to +150
Note: The ``Absolute Maximum Ratings'' are those values beyond which the safety of the device cannot be guaranteed.
The device should not be operated at these limits. The parametric values defined in the ``Electrical Characteristics'' table are not guaranteed at the absolute maximum ratings. The ``Recommended Operating Conditions'' table will define the conditions for actual device operation.
9316 Features
Internal look-ahead for fast counting
Carry output for n-bit cascading
Synchronous counting
Load control line
Diode-clamped inputs
Typical clock frequency 35 MHz
Pin-for-pin replacements popular 54/74 counters 5416A/7416A (binary)
Alternate Military/Aerospace device (9316) is available.Contact a National Semiconductor Sales Office/Distributor for specifications.
Carry output for n-bit cascading
Synchronous counting
Load control line
Diode-clamped inputs
Typical clock frequency 35 MHz
Pin-for-pin replacements popular 54/74 counters 5416A/7416A (binary)
Alternate Military/Aerospace device (9316) is available.Contact a National Semiconductor Sales Office/Distributor for specifications.
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