TIBPAL20R4-5C Datasheet | Texas Instruments

TIBPAL20L8-5C, TIBPAL20R4-5C, TIBPAL20R6-5C, TIBPAL20R8-5C TIBPAL20L8-7M, TIBPAL20R4-7M, TIBPAL20R6-7M, TIBPAL20R8-7M HIGH-PERFORMANCE IMPACT-X ™ PAL® CIRCUITS SRPS010F - D3353, OCTOBER 1989 - REVISED SEPTEMBER 1992 - High-Performance Operation: fmax (no feedback) TIBPAL20R’ -5C Series . . . 125 MHz Min TIBPAL20R’ -7M Series . . . 100 MHz Min fmax (internal feedback) TIBPAL20R’ -5C Series . . . 125 MHz Min TIBPAL20R’ -7M Series . . . 100 MHz Min fmax (external feedback) TIBPAL20R’ -5C Series . . . 117 MHz Min TIBPAL20R’ -7M Series . . . 74 MHz Min Propagation Delay TIBPAL20L8-5C Series . . . 5 ns Max TIBPAL20L8-7M Series . . . 7 ns Max TIBPAL20R’ -5C Series (CLK-to-Q) . . . 4 ns Max TIBPAL20R’ -7M Series (CLK-to-Q) . . . 6.5 ns Max - Functionally Equivalent, but Faster Than, Existing 24-Pin PLDs - Preload Capability on Output Registers Simplifies Testing - Power-Up Clear on Registered Devices (All Register Outputs are Set Low, but Voltage Levels at the Output Pins Go High) - Package Options Include Both Plastic and Ceramic Chip Carriers in Addition to Plastic and Ceramic DIPs - Security Fuse Prevents Duplication DEVICE I 3-STATE INPUTS O OUTPUTS PAL20L8 PAL20R4 PAL20R6 PAL20R8 14 12 12 12 2 0 0 0 REGISTERED Q OUTPUTS 0 4 (3-state buffers) 6 (3-state buffers) 8 (3-state buffers) I/O PORT 0 description TIBPAL20L8’ C SUFFIX . . . JT OR NT PACKAGE M SUFFIX . . . JT PACKAGE (TOP VIEW) I I I I I I I I I I I GND 1 2 3 4 5 6 7 8 9 10 11 12 24 VCC 23 I 22 O 21 I/O 20 I/O 19 I/O 18 I/O 17 I/O 16 I/O 15 O 14 I 13...