SN54ABT2827, SN74ABT2827

10-BIT BUFFERS/DRIVERS

WITH 3-STATE OUTPUTS

SCBS648A – DECEMBER 1995 – REVISED JANUARY 1997

3

POST OFFICE BOX 655303

recommended operating conditions (see Note 3)

SN54ABT2827

SN74ABT2827

UNIT

MIN

MAX

MIN

MAX

UNIT

VCC

Supply voltage

4.5

5.5

4.5

5.5

V

VIH

High-level input voltage

2

2

V

VIL

Low-level input voltage

0.8

0.8

V

VI

Input voltage

0

VCC

0

VCC

V

IOH

High-level output current

–12

–12

mA

IOL

Low-level output current

12

12

mA

∆t/∆v

Input transition rise or fall rate

5

5

ns/V

TA

Operating free-air temperature

–55

125

–40

85

°C

NOTE 3: Unused inputs must be held high or low to prevent them from floating.

electrical characteristics over recommended operating free-air temperature range (unless

otherwise noted)

PARAMETER

TEST CONDITIONS

TA = 25°C

SN54ABT2827

SN74ABT2827

UNIT

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

MIN

MAX

MIN

MAX

UNIT

VIK

VCC = 4.5 V,

II = –18 mA

–1.2

–1.2

–1.2

V

VCC = 4.5 V,

IOH = –1 mA

2.5

2.5

2.5

VOH

VCC = 5 V,

IOH = –1 mA

3

3

3

V

VOH

VCC =4 5V

IOH = –3 mA

2.4

2.4

2.4

V

VCC = 4.5 V

IOH = –12 mA

2

2

2

VOL

VCC = 4.5 V

IOL = 12 mA

0.8

0.8

0.8

V

Vhys

100

mV

II

VCC = 0 to 5.5 V,

VI = VCC or GND

±1

±1

±1

µA

IOZH

VCC = 5.5 V,

VO = 2.7 V

10‡

10

10‡

µA

IOZL

VCC = 5.5 V,

VO = 0.5 V

–10‡

–10

–10‡

µA

Ioff

VCC = 0,

VI or VO ≤ 4.5 V

±100

±100

µA

ICEX

VCC = 5.5 V, VO = 5.5 V

Outputs high

50

50

50

µA

IO§

VCC = 5.5 V,

VO = 2.5 V

–50

–140

–225‡

–50

–225‡

–50

–225‡

mA

VCC = 5.5 V,

Outputs high

80

250

250

250

µA

ICC

VCC 5.5 V,

IO = 0,

Outputs low

35

40‡

40‡

40‡

mA

VI = VCC or GND

Outputs disabled

80

250

250

250

µA

¶

VCC = 5.5 V,

Oi

V

Outputs enabled

1.5

1.5

1.5

mA

∆ICC¶

One input at 3.4 V,

Other inputs at

Outputs disabled

50

50

50

µA

Other in uts at

VCC or GND

Control inputs

1.5

1.5

1.5

mA

Ci

VI = 2.5 V or 0.5 V

4

pF

Co

VO = 2.5 V or 0.5 V

8.5

pF

† All typical values are at VCC = 5 V, TA = 25°C.

‡ This data sheet limit may vary among suppliers.

§ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.

¶ This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.

PRODUCT PREVIEW information concerns products in the formative or

design phase of development. Characteristic data and other

specifications are design goals. Texas Instruments reserves the right to

change or discontinue these products without notice.