6

COMMERCIALTEMPERATURERANGE

IDT74SSTU32864/A/C/D/G

1:1 AND 1:2 REGISTERED BUFFER WITH 1.8V SSTL I/O

Inputs

Qx

QCSx

QODTx, QCKEx

RESET

DCS

CSR

CLK

CLK

Dx, DODT, DCKE

Outputs

Output

Outputs

HL

L

↑↓

LL

L

L

HL

L

↑↓

HH

L

H

H

L

L

L or H

L or H

X

Q

0

(2)

Q

0

(2)

Q

0

(2)

HL

H

↑↓

LL

L

L

HL

H

↑↓

HH

L

H

H

L

H

L or H

L or H

X

Q

0

(2)

Q

0

(2)

Q

0

(2)

HH

L

↑↓

LL

H

L

HH

L

↑↓

HH

H

H

H

H

L

L or H

L or H

X

Q

0

(2)

Q

0

(2)

Q

0

(2)

HHH

↑↓

LQ

0

(2)

HL

HHH

↑↓

HQ

0

(2)

HH

H

H

H

L or H

L or H

X

Q

0

(2)

Q

0

(2)

Q

0

(2)

L

XorFloating

XorFloating

XorFloating

XorFloating

XorFloating

L

L

L

NOTES:

1. H = HIGH Voltage Level

L = LOW Voltage Level

X = Don’t Care

↑ = LOW to HIGH

↓ = HIGH to LOW

2. Output level before the indicated steady-state conditions were established.

MODE SELECT

Device Mode

0

0

1:125-bitto25-bit

0

1

1:2 14-bit to 28-bit, Front (Type A)

1

0

Reserved

1

1

1:2 14-bit to 28-bit, Back (Type B)

OUTPUT CONTROL (SSTU32864G)

Output Slew Rate

0

0

Standard

0

1

Highest

1

0

Low

1

1

High