TC74VCXH162244FT View Datasheet(PDF) - Toshiba

Part Name

Description

Manufacturer

TC74VCXH162244FT

Low-Voltage 16-Bit Bus Buffer with Bushold

Toshiba 

DC Characteristics (Ta = −40 to 85°C, 1.8 V =< VCC < 2.3 V)

TC74VCXH162244FT

Characteristics

Symbol

H-level

VIH

Input voltage

L-level

VIL

Test Condition

⎯

⎯

Min Max Unit

VCC (V)

1.8 to 2.3

0.7 ×

VCC

⎯

V

1.8 to 2.3 ⎯

0.2 ×

VCC

Output voltage

H-level

L-level

VOH VIN = VIH or VIL

VOL VIN = VIH or VIL

IOH = −100 μA

IOH = −4 mA

IOL = 100 μA

IOL = 4 mA

1.8

VCC

− 0.2

⎯

1.8

1.4

⎯

V

1.8

⎯

0.2

1.8

⎯

0.3

Input leakage

current

( OE )

(An)

VIN = 0 to 3.6 V

IIN

VIN = VCC or GND

1.8

⎯ ±5.0

μA

1.8

⎯ ±5.0

Bushold input minimum drive

hold current

VIN = 0.36 V

II (HOLD)

VIN = 1.26 V

1.8

25

⎯

μA

1.8

−25 ⎯

Bushold input over-drive current

to change state

II (OD)

(Note 1) 1.8

(Note 2) 1.8

⎯

200

μA

⎯ −200

3-state output OFF state current

VIN = VIH or VIL

IOZ

VOUT = 0 to 3.6 V

1.8

⎯ ±10.0 μA

Power-off leakage current

IOFF VOUT = 0 to 3.6 V

0

⎯ 10.0 μA

Quiescent supply current

VIN = VCC or GND

ICC

VCC <= VOUT <= 3.6 V

1.8

(Note 3) 1.8

⎯ 20.0

μA

⎯ ±20.0

Note 1: An external driver must source at least the specified current to switch LOW-to-HIGH.

Note 2: An external driver must sink at least the specified current to switch HIGH-to-LOW.

Note 3: Outputs high impedance only.

AC Characteristics (Ta = −40 to 85°C, input: tr = tf = 2.0 ns, CL = 30 pF, RL = 500 Ω) (Note 1)

Characteristics

Propagation delay time

3-state output enable time

3-state output disable time

Output to output skew

Symbol

Test Condition

tpLH

Figure 1, Figure 2

tpHL

tpZL

tpZH

Figure 1, Figure 3

tpLZ

tpHZ

Figure 1, Figure 3

tosLH

tosHL

Min Max Unit

VCC (V)

1.8

1.5 5.7

2.5 ± 0.2 1.0 3.8

ns

3.3 ± 0.3 0.8 3.3

1.8

1.5 6.7

2.5 ± 0.2 1.0 5.1

ns

3.3 ± 0.3 0.8 3.8

1.8

1.5 5.0

2.5 ± 0.2 1.0 4.0

ns

3.3 ± 0.3 0.8 3.6

1.8

⎯

0.5

(Note 2) 2.5 ± 0.2 ⎯

0.5

ns

3.3 ± 0.3 ⎯

0.5

Note 1: For CL = 50 pF, add approximately 300 ps to the AC maximum specification.

Note 2: Parameter guaranteed by design.

(tosLH = |tpLHm − tpLHn|, tsHL = |tpHLm − tpHLn|)

8

2007-10-19

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