MCM69L736A

•MCM69L818A

3

MOTOROLA FAST SRAM

MCM69L736A PIN DESCRIPTIONS

PBGA Pin Locations

Symbol

Type

Description

2A, 3A, 5A, 6A, 3B, 5B, 2C, 3C,

5C, 6C, 4N, 4P, 2R, 6R, 3T, 4T, 5T

SA

Input

Synchronous Address Inputs: Registered on the rising clock edge.

4K

CK

Input

Address, data in, and control input register clock. Active high.

4L

CK

Input

Address, data in, and control input register clock. Active low.

4M

SW

Input

Synchronous Write: Registered on the rising clock edge, active low.

Writes all enabled bytes.

5L, 5G, 3G, 3L

(a), (b), (c), (d)

SBx

Input

Synchronous Byte Write Enable: Enables writes to byte x in

conjunction with the SW input. Has no effect on read cycles, active

low.

4E

SS

Input

Synchronous Chip Enable: Registered on the rising clock edge, active

low.

4F

G

Input

Output Enable: Asynchronous pin, active low.

2U

TMS

Input

Test Mode Select (JTAG).

3U

TDI

Input

Test Data In (JTAG).

4U

TCK

Input

Test Clock (JTAG).

5U

TDO

Output

Test Data Out (JTAG).

4D

ZQ

Input

Programmable Output Impedance: Programming pin.

7T

ZZ

Input

Reserved for future use. Must be grounded.

(a) 6K, 7K, 6L, 7L, 6M, 6N, 7N, 6P, 7P

(b) 6D, 7D, 6E, 7E, 6F, 6G, 7G, 6H, 7H

(c) 1D, 2D, 1E, 2E, 2F, 1G, 2G, 1H, 2H

(d) 1K, 2K, 1L, 2L, 2M, 1N, 2N, 1P, 2P

DQx

I/O

Synchronous Data I/O.

3J, 5J

Vref

Supply

Input Reference: Provides reference voltage for input buffers.

4C, 2J, 4J, 6J, 4R, 3R

VDD

Supply

Core Power Supply.

1A, 7A, 1F, 7F, 1J, 7J, 1M, 7M, 1U, 7U

VDDQ

Supply

Output Power Supply: Provides operating power for output buffers.

3D, 5D, 3E, 5E, 3F, 5F, 3H, 5H,

3K, 5K, 3M, 5M, 3N, 5N, 3P, 5P, 5R

VSS

Supply

Ground.

4A, 1B, 2B, 4B, 6B, 7B, 1C, 7C,

4G, 4H, 1R, 7R, 1T, 2T, 6T, 6U

NC

—

No Connection: There is no connection to the chip.