TC74VHCT373AFK Datasheet PDF - Toshiba
| Part Number | TC74VHCT373AFK | |
| Description | Octal D-Type Latch with 3-State Output | |
| Manufacturers | Toshiba | |
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There is a preview and TC74VHCT373AFK download ( pdf file ) link at the bottom of this page. Total 9 Pages | ||
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TC74VHCT373AF/AFT/AFK
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VHCT373AF,TC74VHCT373AFT,TC74VHCT373AFK
Octal D-Type Latch with 3-State Output
The TC74VHCT373A is an advanced high speed CMOS OCTAL
LATCH with 3-STATE OUTPUT 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.
This 8-bit D-type latch is controlled by a latch enable input
(LE) and an output enable input ( OE ).
When the OE input is high, the eight outputs are in a high
impedance state.
The input voltage are compatible with TTL output voltage.
This device may be used as a level converter for interfacing 3.3
V to 5 V system.
Input protection and output circuit ensure that 0 to 5.5 V can
be applied to the input and output (Note) pins without regard to
the supply voltage. These structure prevents device destruction
due to mismatched supply and input/output voltages such as
battery back up, hot board insertion, etc.
Note: Output in off-state
Features
• High speed: tpd = 7.7 ns (typ.) at VCC = 5 V
• Low power dissipation: ICC = 4 μA (max) at Ta = 25°C
• Compatible with TTL inputs: VIL = 0.8 V (max)
VIH = 2.0 V (min)
• Power down protection is provided on all inputs and outputs.
• Balanced propagation delays: tpLH ≈ tpHL
• Low noise: VOLP = 1.5 V (max)
• Pin and function compatible with the 74 series
(74AC/HC/F/ALS/LS etc.) 373 type.
TC74VHCT373AF
TC74VHCT373AFT
TC74VHCT373AFK
Weight
SOP20-P-300-1.27A:
TSSOP20-P-0044-0.65A:
VSSOP20-P-0030-0.50:
0.22 g (typ.)
0.08 g (typ.)
0.03 g (typ.)
1 2008-12-01
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TC74VHCT373AF/AFT/AFK
AC Characteristics (input: tr = tf = 3 ns)
Characteristics
Propagation delay
time
(LE-Q)
Propagation delay
time
(D-Q)
3-state output enable
time
3-state output disable
time
Output to output skew
Input capacitance
Output capacitance
Power dissipation
capacitance
Symbol
tpLH
tpHL
tpLH
tpHL
tpZL
tpZH
tpLZ
tpHZ
tosLH
tosHL
CIN
COUT
CPD
Test Condition
VCC (V) CL (pF)
15
― 5.0 ± 0.5
50
15
― 5.0 ± 0.5
50
RL = 1 kΩ
5.0 ± 0.5
15
50
Ta = 25°C
Min Typ. Max
― 7.7 12.3
― 8.5 13.3
― 5.1 8.5
― 5.9 9.5
― 6.3 10.9
― 7.1 11.9
RL = 1 kΩ
5.0 ± 0.5
50
― 8.8 11.2
(Note 1) 5.0 ± 0.5
50
―
――
――
(Note 2) ―
― 1.0
4 10
9―
25 ―
Ta =
−40 to 85°C
Min Max
1.0 13.5
1.0 14.5
1.0 9.5
1.0 10.5
1.0 12.5
1.0 13.5
1.0 12.0
― 1.0
― 10
――
――
Unit
ns
ns
ns
ns
ns
pF
pF
pF
Note 1: Parameter guaranteed by design.
tosLH = |tpLHm − tpLHn|, tosHL = |tpHLm − tpHLn|
Note 2: CPD is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
ICC (opr) = CPD·VCC·fIN + ICC/8 (per latch)
And the total CPD when n pcs. of latch operate can be gained by the following equation:
CPD (total) = 14 + 11·n
Noise Characteristics (input: tr = tf = 3 ns)
Characteristics
Symbol
Test Condition
Quiet output maximum dynamic VOL
Quiet output minimum dynamic VOL
Minimum high level dynamic input voltage
Maximum low level dynamic input voltage
VOLP
VOLV
VIHD
VILD
CL = 50 pF
CL = 50 pF
CL = 50 pF
CL = 50 pF
VCC (V)
5.0
5.0
5.0
5.0
Ta = 25°C
Typ. Limit
1.1 1.5
−1.1 −1.5
― 2.0
― 0.8
Unit
V
V
V
V
5 2008-12-01
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for TC74VHCT373AFK electronic component. |
| Information | Total 9 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ TC74VHCT373AFK.PDF Datasheet ] | |
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Featured Datasheets
| Part Number | Description | MFRS |
| TC74VHCT373AF | The function is OCTAL D-TYPE LATCH WITH 3-STATE OUTPUT. Toshiba | |
| TC74VHCT373AFK | The function is Octal D-Type Latch with 3-State Output. Toshiba | |
| TC74VHCT373AFT | The function is OCTAL D-TYPE LATCH WITH 3-STATE OUTPUT. Toshiba | |
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