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MSM514900CSL Datasheet

  • MSM514900CSL

  • 524,288-Word x 9-Bit DYNAMIC RAM : FAST PAGE MODE TYPE

  • 16頁

  • OKI

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E2G0025-17-42
隆 Semiconductor
隆 Semiconductor
MSM514900C/CSL
DESCRIPTION
This
MSM514900C/CSL
version: Jan. 1998
Previous version: May 1997
524,288-Word
9-Bit DYNAMIC RAM : FAST PAGE MODE TYPE
The MSM514900C/CSL is a 524,288-word
9-bit dynamic RAM fabricated in Oki's silicon-gate
CMOS technology. The MSM514900C/CSL achieves high integration, high-speed operation, and
low-power consumption because Oki manufactures the device in a quadruple-layer polysilicon/
single-layer metal CMOS process. The MSM514900C/CSL is available in a 28-pin plastic SOJ or 28-
pin plastic TSOP. The MSM514900CSL (the self-refresh version) is specially designed for lower-
power applications.
FEATURES
鈥?524,288-word
9-bit configuration
鈥?Single 5 V power supply,
鹵10%
tolerance
鈥?Input
: TTL compatible, low input capacitance
鈥?Output : TTL compatible, 3-state
鈥?Refresh : 1024 cycles/16 ms, 1024 cycles/128 ms (SL version)
鈥?Fast page mode, read modify write capability
鈥?/div>
CAS
before
RAS
refresh, hidden refresh,
RAS-only
refresh capability
鈥?/div>
CAS
before
RAS
self-refresh capability (SL version)
鈥?Package options:
28-pin 400 mil plastic SOJ
(SOJ28-P-400-1.27)
(Product : MSM514900C/CSL-xxJS)
28-pin 400 mil plastic TSOP
(TSOPII28-P-400-1.27-K) (Product : MSM514900C/CSL-xxTS-K)
xx indicates speed rank.
PRODUCT FAMILY
Family
MSM514900C/CSL-60
MSM514900C/CSL-70
MSM514900C/CSL-80
Access Time (Max.)
t
RAC
t
AA
t
CAC
t
OEA
60 ns 35 ns 20 ns 20 ns
70 ns 35 ns 20 ns 20 ns
80 ns 40 ns 20 ns 20 ns
Power Dissipation
Cycle Time
(Min.)
Operating (Max.) Standby (Max.)
110 ns
130 ns
150 ns
770 mW
715 mW
660 mW
5.5 mW/
1.1 mW (SL version)
1/16

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