M66258FP 查看數據表（PDF） - MITSUBISHI ELECTRIC

零件编号

产品描述 (功能)

生产厂家

M66258FP

8192 x 8-BIT LINE MEMORY

MITSUBISHI ELECTRIC  

MITSUBISHI <DIGITAL ASSP>

M66258FP

8192 x 8-BIT LINE MEMORY

VARIABLE LENGTH DELAY BIT

• 1 line (8192 bits) delay

Input data can be written at the rising edge of WCK after write cycle and output data is read at the rising edge of RCK before read cycle to

easily make 1 line delay.

0 cycle 1 cycle 2 cycle

8192 cycle 8193 cycle 8194 cycle

8190 cycle 8191 cycle (0')

(1')

(2')

WCK

RCK

tRESS tRESH

WRES

RRES

tDS tDH

tDS tDH

Dn

(0)

(1)

(2)

(8189)

(8190)

(8191)

(0')

(1')

(2')

(3')

8192 cycle

tAC

tOH

Qn

(0)

(1)

(2)

(3)

WE, RE = "L"

• n-bit delay bit

(Reset at cycles according to the delay length)

WCK

RCK

0 cycle

1 cycle 2 cycle

WRES

RRES

tRESS tRESH

tDS tDH

Dn

(0)

(1)

(2)

n cycle n+1 cycle n+2 cycle n+3 cycle

n-2 cycle n-1 cycle (0')

(1')

(2')

(3')

tRESS tRESH

(n-3)

(n-2)

tDS tDH

(n-1)

(0')

(1')

(2')

(3')

m cycle

tAC

tOH

Qn

(0)

(1)

(2)

(3)

WE, RE = "L"

m≥3

9

Share Link: