SN74SSTV32877

26-BIT REGISTERED BUFFER

WITH SSTL_2 INPUTS AND OUTPUTS

SCES378B – OCTOBER 2001 – REVISED MAY 2002

2

POST OFFICE BOX 655303

terminal assignments

12

34

5

6

A

D1

VCC

GND

VDDQ

Q1

Q2

B

D3

D2

VREF

GND

Q3

Q4

C

D5

D4

NC

GND

Q5

Q6

D

D7

D6

GND

VDDQ

Q7

Q8

E

D9

D8

VCC

GND

Q9

VDDQ

F

D11

D10

GND

VDDQ

Q10

GND

G

D13

D12

VCC

VDDQ

Q12

Q11

H

D15

D14

GND

GND

GND

Q13

J

CLK

NC

GND

GND

GND

Q14

K

CLK

RESET

VCC

VDDQ

Q15

Q16

L

D16

D17

GND

VDDQ

Q17

GND

M

D18

D19

VCC

GND

Q18

VDDQ

N

D20

D21

GND

VDDQ

Q20

Q19

P

D22

D23

NC

GND

Q22

Q21

R

D24

D25

OE

GND

Q24

Q23

T

D26

VCC

GND

VDDQ

Q26

Q25

ORDERING INFORMATION

TA

PACKAGE†

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

0

°C to 70°C

LFBGA – GKE

Tape and reel

SN74SSTV32877GKER

SV877

† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design

guidelines are available at www.ti.com/sc/package.

FUNCTION TABLE

INPUTS

OUTPUT

RESET

OE

CLK

CLK

D

Q

H

L

↑

↓

H

H

H

L

↑↓

LL

H

L

L or H

L or H

X

Q0

H

HX

X

X

Z

L

X or floating

X or floating

X or floating

X or floating

L

GKE PACKAGE

(TOP VIEW)

J

H

G

F

E

D

C

B

A

2

13

4

6

5

P

N

M

L

K

T

R