參數(shù)資料
型號(hào): CXK77B1841GB
廠商: Sony Corporation
英文描述: 4Mb Late Write LVTTL High Speed Synchronous SRAM (256K x 18Bit)(4M位、寫延遲、LVTTL高速同步靜態(tài)RAM (256K x 18位))
中文描述: 4Mb的后寫入LVTTL高速同步SRAM(256 × 18位)(4分位,寫延遲,LVTTL高速同步靜態(tài)隨機(jī)存儲(chǔ)器(256 × 18位))
文件頁數(shù): 11/22頁
文件大小: 199K
代理商: CXK77B1841GB
256Kx18, Sync LW, LVTTL, rev 4.6
11 / 22
August 12, 1998
SONY
CXK77B1841GB
AC Test Conditions (V
DDQ
= 3.3V)
(V
DD
= V
DDQ
= 3.3V
±
5%, T
A
= 0 to 70
°
C
)
Item
Conditions
Notes
Address / Control / Data Input High Level
V
IHCA
, V
IHD
= 2.4V
V
ILCA
, V
ILD
= 0.4V
1.0V/ns
@ Set up time
≥1
ns
Address / Control / Data Input Low Level
@ Set up time
≥1
ns
Input Rise & Fall Time
Other than Clock
Input Reference Level
1.4V
Other than Clock
Clock
LVTTL Input High Voltage
2.4V
V
DIF
1.0V
V
DIF
1.0V
LVTTL Input Low Voltage
0.4V
LVTTL Input Common Mode Voltage
1.4V
PECL Input High Voltage
V
IH-PECL
= 2.3V
PECL Input Low Voltage
V
IL-PECL
= 1.6V
1.0V/ns
Clock Input Rise & Fall Time
Clock Input Reference Level
K/K cross
Output Reference Level
1.4V
Output Load Conditions
Fig.2
DQ
1.4 V
Fig. 2: AC Test Output Load (V
DDQ
= 3.3V)
50
50
5 pF
16.7
1.4 V
50
50
5 pF
16.7
16.7
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