tc74vcx16543ft TOSHIBA Semiconductor CORPORATION, tc74vcx16543ft Datasheet

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tc74vcx16543ft

Manufacturer Part Number
tc74vcx16543ft
Description
Low-voltage 16-bit Registered Transceiver With 3.6-v Tolerant Inputs And Outputs
Manufacturer
TOSHIBA Semiconductor CORPORATION
Datasheet
Low-Voltage 16-Bit Registered Transceiver with 3.6-V Tolerant Inputs and Outputs
registered transceiver. 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.
up to 3.6 V.
one 16-bit transceiver. Separate latch-enable (LEAB or LEBA)
and output-enable (OEAB or OEBA) inputs are provided for each
register to permit independent control in either direction of data
flow.
data from A or to output data from B. If CEAB is low and LEAB is low, the A-to-B latches are transparent; a
subsequent low-to-high transition of LEAB puts the A latches in the storage mode. With CEAB and OEAB both low,
the 3-state B outputs are active and reflect the data present at the output of the A latches.
3-state memory address drivers, etc.
Features (Note)
The TC74VCX16543FT is a high performance CMOS 16-bit
It is also designed with overvoltage tolerant inputs and outputs
The TC74VCX16543FT can be used as two 8-bit transceivers or
The A-to-B enable (CEAB) input must be low in order to enter
Data flow from B to A is similar but requires using the CEBA, LEBA, and OEAB inputs.
When the OE input is high, the outputs are in a high-impedance state. This device is designed to be used with
All inputs are equipped with protection circuits against static discharge.
Low-voltage operation: V
High-speed operation: t
Output current: I
Latch-up performance: −300 mA
ESD performance: Machine model ≥ ±200 V
Package: TSSOP
Bidirectional interface between 2.5 V and 3.3 V signals.
3.6-V tolerant function and power-down protection provided on all inputs and outputs
Note:
Do not apply a signal to any bus pins when it is in the output mode. Damage may result.
All floating (high impedance) bus pins must have their input level fixed by means of pull-up or pull-down
resistors.
: I
: I
OH
OH
OH
Human body model ≥ ±2000 V
TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic
/I
/I
/I
: t
: t
OL
OL
OL
pd
pd
pd
CC
= ±24 mA (min) (V
= ±18 mA (min) (V
= ±6 mA (min) (V
TC74VCX16543FT
= 3.5 ns (max) (V
= 4.0 ns (max) (V
= 8.0 ns (max) (V
= 1.8 to 3.6 V
CC
CC
CC
CC
CC
CC
= 1.8 V)
= 3.0 to 3.6 V)
= 2.3 to 2.7 V)
= 1.8 V)
= 3.0 V)
= 2.3 V)
1
Weight: 0.25 g (typ.)
TC74VCX16543FT
2007-10-19

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tc74vcx16543ft Summary of contents

Page 1

... CMOS low power dissipation also designed with overvoltage tolerant inputs and outputs up to 3.6 V. The TC74VCX16543FT can be used as two 8-bit transceivers or one 16-bit transceiver. Separate latch-enable (LEAB or LEBA) and output-enable (OEAB or OEBA) inputs are provided for each register to permit independent control in either direction of data flow ...

Page 2

... 2A5 34 2B7 21 2A6 33 2B8 23 2A7 32 GND 24 2A8 31 2 CEBA 30 2 LEBA 29 2 OEBA 2 TC74VCX16543FT 1EN3 G1 C5 2EN4 G2 2C6 7EN9 G7 7C11 8EN10 G8 8C12 1B1 1B2 49 1B3 48 1B4 47 1B5 45 1B6 44 1B7 43 1B8 42 9 11D ...

Page 3

... A bus each 8-bit latch) Inputs CEBA LEBA OEBA Note: Output level before the indicated steady-state input conditions were established. Outputs (Note Outputs (Note TC74VCX16543FT 2007-10-19 ...

Page 4

... System Diagram 56 1 OEBA 54 1 CEBA 55 1 LEBA 1 1 OEAB 3 1 CEAB 2 1 LEAB 5 1A1 29 2 OEBA 31 2 CEBA 30 2 LEBA 28 2 OEAB 26 2 CEAB 27 2 LEAB 15 2A1 seven other channels seven other channels 4 TC74VCX16543FT 52 1B1 42 2B1 2007-10-19 ...

Page 5

... V CC 1.2 to 3.6 (Note 2) − 0 3 ± 24 ± ± 6 − opr dt/ 3 TC74VCX16543FT Unit (Note 3) mA (Note °C Unit V V (Note 3) V (Note 4) (Note 5) (Note 6) mA (Note 7) °C (Note 8) ns/V 2007-10-19 ...

Page 6

... 3 OUT = OFF IN OUT = GND < < OUT 6 TC74VCX16543FT Min Max Unit V (V) CC ⎯ 2.7 to 3.6 2.0 V ⎯ 2.7 to 3.6 0 ⎯ 2.7 to 3.6 − 0.2 ⎯ 2.7 2.2 ⎯ 3.0 2.4 ⎯ 3.0 2.2 V ⎯ 2.7 to 3.6 0.2 ⎯ 2.7 0.4 ⎯ 3.0 0.4 ⎯ ...

Page 7

... 3 OUT = OFF IN OUT = GND < < OUT 7 TC74VCX16543FT Min Max Unit V (V) CC 0.7 × ⎯ 1 0.2 × ⎯ 1 ⎯ 1.8 − 0.2 ⎯ 1.8 1.4 V ⎯ 1.8 0.2 ⎯ 1.8 0.3 ⎯ ...

Page 8

... Figure 1, Figure 4 t pZH t pLZ Figure 1, Figure 4 t pHZ t Figure 1, Figure 2, Figure 3 W (L) t Figure 1, Figure 2, Figure Figure 1, Figure 2, Figure osLH t osHL = |t − osHL pHLm pHLn 8 TC74VCX16543FT = 30 pF 500 Ω) (Note Min Max Unit V (V) CC 1.8 1.5 8.0 2.5 ± 0.2 0.8 4.0 3.3 ± 0.3 0.6 3.5 1.8 1.5 9.8 2.5 ± 0.2 0.8 5.0 3.3 ± 0.3 0.6 3.9 1 ...

Page 9

... 2 OHV 3 (Ta = 25°C) Symbol Test Condition C IN ⎯ MHz ・f /16 (per bit TC74VCX16543FT Typ. Unit V (V) CC (Note) 1.8 0.25 V (Note) 2.5 0.6 (Note) 3.3 0.8 − 0.25 (Note) 1.8 − 0.6 V (Note) 2.5 − 0.8 (Note) 3.3 (Note) 1.8 1.5 V (Note) 2.5 1.9 (Note) 3.3 2 ...

Page 10

... 2 (H) t pHL Figure pLH pHL (H) h Figure TC74VCX16543FT Switch , t Open pHL = 3.3 ± 0 × 2.5 ± 0 pLZ pZL 1 GND pZH ( (L) ...

Page 11

... pZH Outputs Outputs disabled enabled , pLZ pHZ pZL pZH V CC 2.5 ± 0.2 V 1 − 0.3 V − 0.15 V − 0. TC74VCX16543FT V IH GND 3 GND /2 2007-10-19 ...

Page 12

... Package Dimensions Weight: 0.25 g (typ.) TC74VCX16543FT 12 2007-10-19 ...

Page 13

... Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. TC74VCX16543FT 13 20070701-EN GENERAL 2007-10-19 ...

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