SN74FB1651

17BIT TTL/BTL UNIVERSAL STORAGE TRANSCEIVER

WITH BUFFERED CLOCK LINE

SCBS177O − OCTOBER 1993 − REVISED MARCH 2004

6

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIK

B port

VCC = 4.5 V,

II = −18 mA

−1.2

V

VIK

Except B port

VCC = 4.5 V,

II = −40 mA

−0.5

V

VOH

AO port

VCC = 4.5 V,

IOH = −3 mA

2.5

3.3

V

AO port

VCC = 4.5 V,

IOL = 24 mA

0.35

0.5

VOL

B port

VCC = 4.5 V

IOL = 80 mA

0.75

1.1

V

VOL

B port

VCC = 4.5 V

IOL = 100 mA

1.15

V

II

Except B port

VCC = 5.5 V,

VI = 5.5 V

50

µA

IIH‡

Except B port

VCC = 5.5 V,

VI = 2.7 V

50

µA

IIL‡

Except B port

VCC = 5.5 V,

VI = 0.5 V

−50

A

IIL‡

B port

VCC = 5.5 V,

VI = 0.75 V

−100

µA

IOZH

AO port

VCC = 5.5 V,

VO = 2.7 V

50

µA

IOZL

AO port

VCC = 5.5 V,

VO = 0.5 V

−50

µA

IOZPU

AO port

VCC = 0 to 2.1 V,

VO = 0.5 V to 2.7 V

50

µA

IOZPD

AO port

VCC = 2.1 V to 0,

VO = 0.5 V to 2.7 V

−50

µA

IOH

B port

VCC = 0 to 5.5 V,

VO = 2.1 V

100

µA

IOS§

A port

VCC = 5.5 V,

VO = 0

−30

−150

mA

ICC

A port to B port

VCC = 5.5 V,

IO = 0

100

mA

ICC

B port to A port

VCC = 5.5 V,

IO = 0

120

mA

Ci

AI port

VI = 0.5 V or 2.5 V

5.5

pF

Ci

Control inputs

VI = 0.5 V or 2.5 V

5.5

pF

Co

AO ports

VO = 0.5 V or 2.5 V

5.5

pF

Cio

B port per IEEE Std 1194.1-1991

VCC = 0 to 5.5 V

5.5

pF

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

‡ For I/O ports, the parameters IIH and IIL include the off-state output current.

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

live-insertion specifications over recommended operating free-air temperature range

PARAMETER

TEST CONDITIONS

MIN

MAX

UNIT

ICC (BIAS VCC)

VCC = 0 to 4.5 V

VB = 0 to 2 V,

VI (BIAS VCC) = 4.5 V to 5.5 V

450

A

ICC (BIAS VCC)

VCC = 4.5 V to 5.5 V

VB = 0 to 2 V,

VI (BIAS VCC) = 4.5 V to 5.5 V

10

µA

VO

B port

VCC = 0,

VI (BIAS VCC) = 5 V

1.62

2.1

V

VCC = 0 ,

VB = 1 V,

VI (BIAS VCC) = 4.5 V to 5.5 V

−1

A

IO

B port

VCC = 0 to 2.2 V,

OEB = 0 to 5 V

100

µA

IO

B port

VCC = 0 to 5.5 V,

OEB = 0 to 0.8 V

1

mA