WCMA2016U4B-FF55 参数 Datasheet PDF下载

型号：	WCMA2016U4B-FF55
PDF下载：	下载PDF文件查看货源
内容描述：	128K ×16静态RAM [128K x 16 Static RAM]
分类和应用：
文件页数/大小：	12 页 / 239 K
品牌：	WEIDA [ WEIDA SEMICONDUCTOR, INC. ]

WCMA2016U4B

Switching Waveforms

Read Cycle No. 1 (Address Transistion Controlled)

[13, 14]

ADDRESS

OHA

DATA OUT

PREVIOUS DATA VALID

DATA VALID

Read Cycle No. 2 (OE Controlled)

[14, 15]

ADDRESS

ACE

HZCE

BHE/BLE

DOE

HZOE

LZOE

HZBE

DBE

LZBE

HIGH IMPEDANCE

LZCE

HIGH

IMPEDANCE

DATA VALID

DATA OUT

SUPPLY

CURRENT

50%

Notes:

13. Device is continuously selected.

OE, CE

= V

BHE, 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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