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PDF TC74VCX16821FT Data sheet ( Hoja de datos )
| Número de pieza | TC74VCX16821FT | |
| Descripción | Low-Voltage 20-Bit D-Type Flip-Flop | |
| Fabricantes | Toshiba | |
| Logotipo |  |
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TC74VCX16821FT
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
TC74VCX16821FT
Low-Voltage 20-Bit D-Type Flip-Flop with 3.6-V Tolerant Inputs and Outputs
The TC74VCX16821FT is a high-performance CMOS 20-bit
D-type flip-flop. Designed for use in 1.8-V, 2.5-V or 3.3-V systems,
it achieves high-speed operation while maintaining the CMOS
low power dissipation.
It is also designed with overvoltage tolerant inputs and outputs
up to 3.6 V.
The device is byte controlled with each byte functioning
identically, but independent of the other. Control pins can be
shorted together to obtain full 20-bit operation. The following
description applies to each byte. The twenty flip-flops will store
the state of their individual D inputs that meet the setup and
hold time requirements on the LOW-to-HIGH Clock (CK)
transition. When the OE input is high, the outputs are in a
Weight: 0.25 g (typ.)
high-impedance state. This device is designed to be used with 3-state memory address drivers, etc.
All inputs are equipped with protection circuits against static discharge.
Features
· Low-voltage operation: VCC = 1.8 to 3.6 V
· High-speed operation : tpd = 3.5 ns (max) (VCC = 3.0 to 3.6 V)
: tpd = 4.4 ns (max) (VCC = 2.3 to 2.7 V)
: tpd = 8.8 ns (max) (VCC = 1.8 V)
· Output current: IOH/IOL = ±24 mA (min) (VCC = 3.0 V)
: IOH/IOL = ±18 mA (min) (VCC = 2.3 V)
: IOH/IOL = ±6 mA (min) (VCC = 1.8 V)
· Latch-up performance: ±300 mA
· ESD performance: Machine model > ±200 V
: Human body model > ±2000 V
· Package: TSSOP (thin shrink small outline package)
· 3.6-V tolerant function and power-down protection provided on all inputs and outputs
1 2001-10-17
1 page  
Electrical Characteristics
DC Characteristics (Ta = -40 to 85°C, 2.7 V < VCC =< 3.6 V)
Characteristics
Symbol
Test Condition
Input voltage
H-level
L-level
H-level
Output voltage
L-level
Input leakage current
3-state output OFF state current
Power-off leakage current
Quiescent supply current
Increase in ICC per input
VIH ¾
VIL ¾
IOH = -100 mA
VOH
VOL
IIN
IOZ
IOFF
ICC
DICC
VIN = VIH or VIL
IOH = -12 mA
IOH = -18 mA
IOH = -24 mA
IOL = 100 mA
VIN = VIH or VIL
IOL = 12 mA
IOL = 18 mA
IOL = 24 mA
VIN = 0 to 3.6 V
VIN = VIH or VIL
VOUT = 0 to 3.6 V
VIN, VOUT = 0 to 3.6 V
VIN = VCC or GND
VCC <= (VIN, VOUT) <= 3.6 V
VIH = VCC - 0.6 V
DC Characteristics (Ta = -40 to 85°C, 2.3 V =< VCC =< 2.7 V)
Characteristics
Symbol
Test Condition
Input voltage
H-level
L-level
Output voltage
H-level
L-level
Input leakage current
3-state output OFF state current
Power-off leakage current
Quiescent supply current
VIH ¾
VIL ¾
IOH = -100 mA
VOH
VOL
IIN
IOZ
IOFF
ICC
VIN = VIH or VIL
IOH = -6 mA
IOH = -12 mA
IOH = -18 mA
IOL = 100 mA
VIN = VIH or VIL
IOL = 12 mA
IOL = 18 mA
VIN = 0 to 3.6 V
VIN = VIH or VIL
VOUT = 0 to 3.6 V
VIN, VOUT = 0 to 3.6 V
VIN = VCC or GND
VCC <= (VIN, VOUT) <= 3.6 V
TC74VCX16821FT
VCC (V)
2.7 to 3.6
Min
2.0
2.7 to 3.6 ¾
2.7 to 3.6
VCC
- 0.2
2.7 2.2
3.0 2.4
3.0 2.2
2.7 to 3.6 ¾
2.7 ¾
3.0 ¾
3.0 ¾
2.7 to 3.6 ¾
Max
¾
0.8
¾
¾
¾
¾
0.2
0.4
0.4
0.55
±5.0
Unit
V
V
mA
2.7 to 3.6 ¾ ±10.0 mA
0
2.7 to 3.6
2.7 to 3.6
2.7 to 3.6
¾
¾
¾
¾
10.0
20.0
±20.0
750
mA
mA
VCC (V)
2.3 to 2.7
Min
1.6
2.3 to 2.7 ¾
2.3 to 2.7
VCC
- 0.2
2.3 2.0
2.3 1.8
2.3 1.7
2.3 to 2.7 ¾
2.3 ¾
2.3 ¾
2.3 to 2.7 ¾
Max
¾
0.7
¾
¾
¾
¾
0.2
0.4
0.6
±5.0
Unit
V
V
mA
2.3 to 2.7 ¾ ±10.0 mA
0
2.3 to 2.7
2.3 to 2.7
¾
¾
¾
10.0
20.0
±20.0
mA
mA
5 2001-10-17
5 Page 
Package Dimensions
TC74VCX16821FT
Weight: 0.25 g (typ.)
11 2001-10-17
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TC74VCX16821FT.PDF ] | |
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