MCM6729C Motorola, MCM6729C Datasheet
MCM6729C
Related parts for MCM6729C
MCM6729C Summary of contents
Page 1
... SEMICONDUCTOR TECHNICAL DATA 256K x 4 Bit Fast Static Random Access Memory The MCM6729C is a 1,048,576 bit static random access memory organized as 262,144 words of 4 bits. Static design eliminates the need for external clocks or timing strobes. Output enable ( special control feature that provides increased system flexibility and eliminates bus contention problems ...
Page 2
... I 20.0 mA. 2.0 ns) for I 20.0 mA. Symbol I lkg(I) I lkg(O) Symbol MCM6729C–6 MCM6729C–7 I CCA I CC2 I SB1 V CC – 0 SB2 This device contains circuitry to protect the in- puts against damage due to high static voltages or electric fields; however advised that nor- mal precautions be taken to avoid application of any voltage higher than maximum rated volt- ages to these high– ...
Page 3
... Typ Max Unit — — — 1.5 V See Figure 1a MCM6729C–7 Min Max Unit Notes 7 — — — — — — ns 4,5,6 0 — ns 4,5,6 — 3.5 ns 4,5,6 — 3.5 ns 4,5,6 TIMING LIMITS The table of timing values shows either a MCM6729C 3 ...
Page 4
... A (ADDRESS) Q (DATA OUT) PREVIOUS DATA VALID A (ADDRESS) E (CHIP ENABLE) G (OUTPUT ENABLE) Q (DATA OUT) MCM6729C 4 READ CYCLE 1 (See Note 7) t AVAV t AXQX t AVQV READ CYCLE 2 (See Note 8) t AVAV t AVQV t ELQV t ELQX t GLQV t GLQX DATA VALID t EHQZ t GHQZ DATA VALID MOTOROLA FAST SRAM ...
Page 5
... DVWH t AVWL DATA VALID t WLQZ HIGH–Z MCM6729C–7 Max Min Max Unit Notes — 7 — — 0 — ns — 7 — ns — 7 — ns — 7 — ns — 7 — ns — 3.5 — ns — 0 — ns 3.5 — 3.5 ns 4,5,6 — 3 — ns 4,5,6 — 1 — WHAX t WHDX t WHQX MCM6729C 5 ...
Page 6
... If E goes high coincident with or before W goes high, the output will remain in a high impedance condition. A (ADDRESS) E (CHIP ENABLE) W (WRITE ENABLE) D (DATA IN) Q (DATA OUT) MCM 6729C WJ Motorola Memory Prefix Part Number Full Part Numbers — MCM6729CWJ6 MCM6729C 6 MCM6729C–6 Symbol Min Max t AVAV 6 — ...
Page 7
... INCHES DIM MIN MAX MIN MAX A 20.83 21.08 0.820 0.830 B 10.03 10.29 0.395 0.405 C 3.26 3.75 0.128 0.148 D 0.41 0.50 0.016 0.020 E 2.24 2.48 0.088 0.098 F 0.67 0.81 0.026 0.032 G 1.27 BSC 0.050 BSC K 0.89 1.14 0.035 0.045 L 0.64 BSC 0.025 BSC N 0.89 1.14 0.035 0.045 P 11.05 11.30 0.435 0.445 R 9.27 9.52 0.365 0.375 S 0.77 1.01 0.030 0.040 Mfax is a trademark of Motorola, Inc. MCM6729C/D MCM6729C 7 ...