SN74ABTH32543-EP

36-BIT REGISTERED BUS TRANSCEIVER

WITH 3-STATE OUTPUTS

SCBS757 – AUGUST 2002

5

POST OFFICE BOX 655303

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

otherwise noted)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VIK

VCC = 4.5 V,

II = –18 mA

–1.2

V

VCC = 4.5 V,

IOH = – 3 mA

2.5

VOH

VCC = 5 V,

IOH = – 3 mA

3

V

VCC = 4.5 V

IOH = – 24 mA

2

VOL

VCC = 4.5 V

IOL = 48 mA

0.55

V

Vhys

100

mV

I

Control inputs

VCC =5 5V

VI =VCC or GND

±1

µA

II

A or B ports

VCC = 5.5 V,

VI = VCC or GND

±20

µA

IOZPU‡

VCC = 0 to 2.1 V, VO = 0.5 V to 2.7 V, OE = X

±50

µA

IOZPD‡

VCC = 2.1 V to 0, VO = 0.5 V to 2.7 V, OE = X

±50

µA

ICEX

VCC = 5.5 V, VO = 5.5 V

Outputs high

50

µA

IO§

VCC = 5.5 V,

VO = 2.5 V

–50

–100

–180

mA

V5 5 V I

0

Outputs high

3

ICC

VCC = 5.5 V, IO = 0,

VI =VCC or GND

Outputs low

20

mA

VI = VCC or GND

Outputs disabled

2

∆ICC¶

VCC = 5.5 V, One input at 3.4 V,

Other inputs at VCC or GND

1

mA

Ci

Control inputs

VI = 2.5 V or 0.5 V

3.5

pF

Cio

A or B ports

VO = 2.5 V or 0.5 V

9.5

pF

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

‡ This parameter is specified by characterization.

§ 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.

timing requirements over recommended ranges of supply voltage and operating free-air

temperature (unless otherwise noted) (see Figure 1)

MIN

MAX

UNIT

tw

Pulse duration, LEAB or LEBA low

3.3

ns

t

Setup time

Data before LEAB

↑ or LEBA↑

2.6

ns

tsu

Setup time

Data before CEAB

↑ or CEBA↑

2

ns

th

Hold time

Data after LEAB

↑ or LEBA↑

1.1

ns

th

Hold time

Data after CEAB

↑ or CEBA↑

1.2

ns