công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
|
MCM6249 bảng dữ liệu(PDF) 5 Page - Motorola, Inc |
|
MCM6249 bảng dữ liệu(HTML) 5 Page - Motorola, Inc |
5 / 7 page MCM6249 5 MOTOROLA FAST SRAM WRITE CYCLE 1 (W Controlled, See Notes 1, 2, and 3) MCM6249–20 MCM6249–25 MCM6249–35 Parameter Symbol Min Max Min Max Min Max Unit Notes Write Cycle Time tAVAV 20 — 25 — 35 — ns 4 Address Setup Time tAVWL 0 — 0 — 0 — ns Address Valid to End of Write tAVWH 15 — 17 — 20 — ns Write Pulse Width tWLWH, tWLEH 15 — 17 — 20 — ns Data Valid to End of Write tDVWH 10 — 10 — 15 — ns Data Hold Time tWHDX 0 — 0 — 0 — ns Write Low to Data High–Z tWLQZ 0 9 0 10 0 15 ns 5,6,7 Write High to Output Active tWHQX 5 — 5 — 5 — ns 5,6,7 Write Recovery Time tWHAX 0 — 0 — 0 — ns NOTES: 1. A write occurs during the overlap of E low and W low. 2. Product sensitivities to noise require proper grounding and decoupling of power supplies as well as minimization or elimination of bus con– tention conditions during read and write cycles. 3. If G goes low coincident with or after W goes low, the output will remain in a high–impedance state. 4. All write cycle timings are referenced from the last valid address to the first transitioning address. 5. Transition is measured ± 500 mV from steady–state voltage with load of Figure 1b. 6. This parameter is sampled and not 100% tested. 7. At any given voltage and temperature, tWLQZ max < tWHQX min both for a given device and from device to device. WRITE CYCLE 1 (W Controlled, See Notes 1, 2, and 3) DATA VALID HIGH–Z HIGH–Z tAVAV tAVWH tWHAX tWHDX tWHQX tWLWH tAVWL tDVWH tWLQZ A (ADDRESS) E (CHIP ENABLE) W (WRITE ENABLE) D (DATA IN) Q (DATA OUT) tWLEH |
Số phần tương tự - MCM6249 |
|
Mô tả tương tự - MCM6249 |
|
|
Link URL |
Chính sách bảo mật |
ALLDATASHEET.VN |
Cho đến nay ALLDATASHEET có giúp ích cho doanh nghiệp của bạn hay không? [ DONATE ] |
Alldatasheet là | Quảng cáo | Liên lạc với chúng tôi | Chính sách bảo mật | Trao đổi link | Tìm kiếm theo nhà sản xuất All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |