SN74VMEH22501A

8BIT UNIVERSAL BUS TRANSCEIVER AND TWO 1BIT BUS TRANSCEIVERS

WITH SPLIT LVTTL PORT, FEEDBACK PATH, AND 3STATE OUTPUTS

SCES620 – DECEMBER 2004

8

POST OFFICE BOX 655303

electrical characteristics over recommended operating free-air temperature range for A and B

ports (unless otherwise noted) (continued)

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

VCC = 3.45 V, IO = 0,

Outputs high

30

ICC

VCC = 3.45 V, IO = 0,

VI = VCC or GND

Outputs low

30

mA

ICC

VI = VCC or GND

Outputs disabled

30

mA

ICCD

VCC = 3.45 V, IO = 0,

VI = VCC or GND,

One data input switching at

Outputs enabled

76

µA/

clock

ICCD

ICC

One data input switching at

one-half clock frequency,

50% duty cycle

Outputs disabled

19

clock

MHz/

input

VCC = 3.15 V to 3.45 V, One input at VCC − 0.6 V,

Other inputs at VCC or GND

750

µA

Ci

1A and 2A inputs

VI = 3.15 V or 0

2.8

pF

Ci

Control inputs

VI = 3.15 V or 0

2.6

pF

Co

1Y or 2Y outputs

VO = 3.15 V or 0

5.6

pF

Cio

3A port

VCC = 3.3 V,

VO = 3.3 V or 0

7.9

pF

Cio

Any B port

VCC = 3.3 V,

VO = 3.3 V or 0

11

12.5

pF

† All typical values are at VCC = 3.3 V, TA = 25°C.

h This is the increase in supply current for each input that is at the specified TTL voltage level, rather than V

CC or GND.

live-insertion specifications over recommended operating free-air temperature range for B port

PARAMETER

TEST CONDITIONS

MIN

TYP†

MAX

UNIT

ICC (BIAS VCC)

VCC = 0 to 3.15 V,

BIAS VCC = 3.15 V to 3.45 V, IO(DC) = 0

5

mA

ICC (BIAS VCC)

VCC = 3.15 V to 3.45 V‡,

BIAS VCC = 3.15 V to 3.45 V, IO(DC) = 0

10

µA

VO

VCC = 0,

BIAS VCC = 3.15 V to 3.45 V

1.3

1.5

1.7

V

IO

VCC = 0

VO = 0,

BIAS VCC = 3.15 V

−20

−100

A

IO

VCC = 0

VO = 3 V,

BIAS VCC = 3.15 V

20

100

µA

† All typical values are at VCC = 3.3 V, TA = 25°C.

‡ VCC − 0.5 V < BIAS VCC