參數資料
型號： MSM548333
廠商： OKI SEMICONDUCTOR CO., LTD.
英文描述： 240,384-Word×8-bit + 240,384-Word×4-bit Triple Port type Field Memory(雙存儲塊分別為240,384字×8位和240,384字×4位三口型場存儲器)
中文描述： 240384 -字× 8位240384 -字× 4位的三場端口類型內存（雙存儲塊分別為240384字× 8位和240384字× 4位三口型場存儲器）
文件頁數： 21/42頁
文件大?。?/td> 421K
代理商： MSM548333
Semiconductor
MSM548333
21/42
AC Characteristics (3/4)
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Max.
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Min.
7
7
7
30
12
12
5
7
7
7
5
t
ACY2
7
7
5000
15
—
20
30
12
12
5
7
7
7
5
t
ACC2
7
7
5000
15
—
20
5
7
7
7
5
7
Symbol
t
RRXH2
t
RRXDH2
t
RRXDS2
t
RCLKY
t
WRCLHY
t
WRCLLY
t
RRYSY2
t
RRYHY2
t
RRYDHY2
t
RRYDSY2
t
RESY2
t
REHY2
t
REDHY2
t
REDSY2
t
SREY2
t
OHY2
t
ACY2
t
OHZY2
t
RCLKC
Parameter
RCLKC2 Cycle Time
RCLKC2 "H" Pulse Width
RCLKC2 "L" Pulse Width
REC2/RY-RCLK Active Setup Time
REC2/RY-RCLK Active Hold Time
REC2/RY-RCLK Inactive Hold Time
REC2/RY-RCLK Inactive Setup Time
C2 Read Port Output Instruction Setup Time
C2 Read Port Output Instruction Hold Time
C2 Read Port Output Instruction Inactive Hold Time
C2 Read Port Output Instruction Inactive Setup Time
C2 Read Port Enable Time
C2 Read Port Read Data Hold Time
C2 Output Access Time
C2 Data Output Turn Off Delay Time
Y1 and C1 Serial Read Address Input Active Setup Time
Y1 and C1 Serial Read Address Input Active Hold Time
Y1 and C1 Serial Read Address Input Inactive Hold Time
Y1 and C1 Serial Read Address Input Inactive Setup Time
Y1 and C1 Serial Read X Address Setup Time
Y1 and C1 Serial Read X Address Hold Time
REY2/RY-RCLK Active Setup Time
REY2/RY-RCLK Active Hold Time
REY2/RY-RCLK Inactive Hold Time
REY2/RY-RCLK Inactive Setup Time
Y2 Read Port Output Instruction Setup Time
Y2 Read Port Output Instruction Hold Time
Y2 Read Port Output Instruction Inactive Hold Time
Y2 Read Port Output Instruction Inactive Setup Time
Y2 Read Port Enable Time
Y2 Read Port Read Data Hold Time
Y2 Output Access Time
Y2 Data Output Turn Off Delay Time
30
—
—
—
—
—
—
—
—
—
—
—
—
—
—
t
WRCLHC
t
WRCLLC
t
RRYSC2
t
RRYHC2
t
RRYDHC2
t
RRYDSC2
t
RESC2
t
REHC2
t
REDHC2
t
REDSC2
t
SREC2
t
OHC2
t
ACC2
t
OHZC2
t
RAS1
t
RAH1
t
RADH1
t
RADS1
t
RXAS1
t
RXAH1
30
—
—
—
—
—
—
—
RADE2/RX-RCLK Active Hold Time
RADE2/RX-RCLK Inactive Hold Time
RADE2/RX-RCLK Inactive Setup Time
RCLKY2 Cycle Time
RCLKY2 "H" Pulse Width
RCLKY2 "L" Pulse Width
Measurement Conditions: (V
CC
= 3.3 V ±0.3 V, Ta = 0 to 70°C)
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