DS21Q554 Просмотр технического описания (PDF) - Dallas Semiconductor -> Maxim Integrated

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производитель

DS21Q554

Quad T1/E1 Transceiver (5V), Quad T1/E1 Transceiver (3.3V)

Dallas Semiconductor -> Maxim Integrated 

DALLAS SEMICONDUCTOR DS21Q352/DS21Q552/DS21Q354/DS21Q554 Preliminary Data Sheet

Lead Description Sorted by Symbol Table 2

Lead Symbol

I/O Description

M1 8MCLK1

O

8.192 MHz Clock Based on RCLK1.

H17 8MCLK2

O

8.192 MHz Clock Based on RCLK2.

F4 8MCLK3

O

8.192 MHz Clock Based on RCLK3.

V13 8MCLK4

O

8.192 MHz Clock Based on RCLK4.

U3 A0

I

Address Bus Bit 0 (lsb).

L17 A1

I

Address Bus Bit 1.

V2 A2

I

Address Bus Bit 2.

T4 A3

I

Address Bus Bit 3.

V8 A4

I

Address Bus Bit 4.

H4 A5

I

Address Bus Bit 5.

U8 A6

I

Address Bus Bit 6.

P4 A7/ALE

I

Address Bus Bit 7 (msb) / Address Latch Enable.

P2 BTS

I

Bus Type Select (0 = Intel / 1 = Motorola),

W6 CI1

I

Carry Input for Interleaved Bus Operation for SCT1.

F18 CI2

I

Carry Input for Interleaved Bus Operation for SCT2.

D7 CI3

I

Carry Input for Interleaved Bus Operation for SCT3.

T20 CI4

I

Carry Input for Interleaved Bus Operation for SCT4.

V9 CO1

O

Carry Output for Interleaved Bus Operation for SCT1.

B17 CO2

O

Carry Output for Interleaved Bus Operation for SCT2.

A6 CO3

O

Carry Output for Interleaved Bus Operation for SCT3.

J20 CO4

O

Carry Output for Interleaved Bus Operation for SCT4.

P3 CS1*

I

Chip Select for SCT1.

A14 CS2*

I

Chip Select for SCT2.

B5 CS3*

I

Chip Select for SCT3.

K17 CS4*

I

Chip Select for SCT4.

U11 D0/AD0

I/O Data Bus Bit 0/ Address/Data Bus Bit 0 (lsb).

J19 D1/AD1

I/O Data Bus Bit 1/ Address/Data Bus Bit 1.

W15 D2/AD2

I/O Data Bus Bit 2/Address/Data Bus Bit 2.

U7 D3/AD3

I/O Data Bus Bit 3/Address/Data Bus Bit 3.

U9 D4/AD4

I/O Data Bus Bit 4/Address/Data Bus Bit 4.

U5 D5/AD5

I/O Data Bus Bit 5/Address/Data Bus Bit 5.

V4 D6/AD6

I/O Data Bus Bit 6/Address/Data Bus Bit 6.

U4 D7/AD7

I/O Data Bus Bit 7/Address/Data Bus Bit 7 (msb).

J3 DVDD1

–

Digital Positive Supply.

N4 DVDD1

–

Digital Positive Supply.

U2 DVDD1

–

Digital Positive Supply.

V5 DVDD1

–

Digital Positive Supply.

B12 DVDD2

–

Digital Positive Supply.

C12 DVDD2

–

Digital Positive Supply.

C16 DVDD2

–

Digital Positive Supply.

D18 DVDD2

–

Digital Positive Supply.

A9 DVDD3

–

Digital Positive Supply.

B3 DVDD3

–

Digital Positive Supply.

B6 DVDD3

–

Digital Positive Supply.

C4 DVDD3

–

Digital Positive Supply.

G20 DVDD4

–

Digital Positive Supply.

M17 DVDD4

–

Digital Positive Supply.

M20 DVDD4

–

Digital Positive Supply.

P18 DVDD4

–

Digital Positive Supply.

H3 DVSS1

–

Digital Signal Ground.

J4 DVSS1

–

Digital Signal Ground.

U6 DVSS1

–

Digital Signal Ground.

W8 DVSS1

–

Digital Signal Ground.

December 29, 1998

6

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