WCMA4016U4X-FF70 参数 Datasheet PDF下载

型号：	WCMA4016U4X-FF70
PDF下载：	下载PDF文件查看货源
内容描述：	256K ×16静态RAM [256K x 16 Static RAM]
分类和应用：
文件页数/大小：	12 页 / 220 K
品牌：	WEIDA [ WEIDA SEMICONDUCTOR, INC. ]

WCMA4016U4X

Switching Waveforms

Read Cycle No. 1 (Address Transition Controlled)

ADDRESS

OHA

DATA OUT

PREVIOUS DATA VALID

DATA VALID

Read Cycle No. 2 (OE Controlled)

ADDRESS

ACE

DOE

BHE/BLE

LZOE

HZCE

HZOE

HZBE

DBE

LZBE

DATA OUT

HIGH IMPEDANCE

LZCE

SUPPLY

CURRENT

50%

DATA VALID

HIGH

IMPEDANCE

Notes:

13. Device is continuously selected. OE, CE = V

, BHE and/or BLE = V

14. WE is HIGH for read cycle.

15. Address valid prior to or coincident with CE, BHE, BLE transition LOW.

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